In this task, you're given an article, a question which often contains a blank and four options (associated with "A", "B", "C", "D"). Your task is to find the correct answer (from the given options) for the question from the given article and return one of the options from "A", "B", "C", and "D". Do not generate anything else apart from one of the following characters: "A", "B", "C", "D". There is only one correct answer for each question.

[Q]: Article: I was on vacation, and in my mind, vacation does not mean setting my hotel room alarm clock for 6 am. But when you're in Aruba and hoping to reserve a beachside palapa , that's exactly what you do. Tourists begin lining up at the crack of dawn to secure these umbrella-like wood structures that are covered with dried and woven palm leaves. They then place towels on chairs and call them theirs for the day, whether they remain there or not. I knew nothing of _ on my first day in Aruba. I saw an empty chair covered with a towel and took it. It was a big mistake. For many visitors, a week bathing in the sun is the only activity they wish to pursue. It sounded good to my girlfriend, Barbara, and me after Boston's awful winter. Six more inches of snow was predicted on the day we left. The sun, the sand, and the beach seemed just about right. Aruba's slogan is "One Happy Island", and it doesn't take long to understand why. Aruba is said to be on "island time". Translation: No one is in a rush to do anything. When in Aruba, you go with the flow, however slow and lazy that might be. Cooling trade winds, white sandy beaches, turquoise waters, and dazzling sunsets are all good reasons to visit. But this 20-mile island offers more than lazy days walking on the beach. There is amazing night life, casinos, golf, scuba diving , fine dining, shopping, and a great national park. But our first day was spent as you'd expect, swimming in the sea and enjoying cool drinks. Our drink of choice quickly became the Coco Loco. It's as refreshing as it sounds.
Question: Tourists get up at 6 am because they _ .
Options: (A) want to see the sunrise early (B) need to check out early (C) want to have fun longer (D) need to reserve a beachside palapa
[A]: D

[Q]: Article: In the atmosphere, carbon dioxide acts rather like a one-way mirror or the glass in the roof of a greenhouse which allows the sun's rays to enter but prevents the heat from escaping According to a weather expert's prediction , the atmosphere will be 3degC warmer in the year 2050 than it is today, if man continues to burn fuels at the present rate.If this warming up took place.the ice caps in the poles would begin to inch,thus raising sea level several meters and severely flooding coastal cities.Also.the increase in atmospheric temperature would lead to great changes in the climate of the northern hemisphere ,possibly resulting in an alteration of the earth's chief food growing zones. In the past,concern about a man-made warming of the earth has concentrated on the Arctic because the Antarctic is much colder and has a much thicker ice sheet.But the weather experts are now paying more attention to West Antarctic.which may be affected by only a few degrees of warming,in other words,by a warming on the scale that will possibly take place in the next fifty years from the burning of fuels. Satellite pictures show that large areas of Antarctic ice are already disappearing.The evidence available suggests that a warming has taken place.This fits the theory that carbon dioxide warms the earth. However, most of the fuel is burnt in the northern hemisphere,where temperatures seem to be falling.Scientists conclude,therefore ,that up to now natural influences on the weather have gone beyond those caused by man.The question is:Which natural cause has most effect on the weather? One possibility is the variable behavior of the sun.Astronomers at one research station have studied the hot spots and 'cold' spots (that is, the ly less hot spots)on the sun.As the sun rotates ,every 27.5 days,it presents hotter or colder faces to the earth,and different aspects to different parts of the earth.This seems to have a considerable effect on the distribution of the earth atmospheric pressure,and consequently on wind circulation.The sun is also changeable over a long term:its heat output goes up and down in cycles,the latest trend being downward. ' Scientists are now finding shared relations between models of solar weather interactions and the actual climate over many thousands of years,including the last ice Age.The problem is that the models are predicting that the world should be entering a new Ice Age and it is not.One way of solving this theoretical difficulty is to assume a delay of thousands of years while the solar effects overcome the inertia of the earth's climate.If this is right, the warming effect of carbon dioxide might thus be serving as a useful opposed balance to the sun's fading heat.
Question: It can be concluded that a concentration of carbon dioxide in the atmosphere would_.
Options: (A) mean a warming-up in the Arctic (B) raise the temperature of the earth's surface (C) prevent the sun's rays from reaching the earth's surface (D) explain the cause of great changes in the climate in the northern hemisphere
[A]: B

[Q]: Article: A carefree summer vacation can be yours with these easy tips. 1.Fly into Alternate Airports Most major destinations are served by more than one airport.Flying into a less popular one can result in cheaper tickets.Another added _ of quieter airports? Shorter check-in and security lines,and less waiting around. 2.Use Public Transportation for City Travel to Save Time and Money When possible,take public transportation from the airport to your hotel.For example,the London-Heathrow express train takes just 15 minutes to get from airport to city and costs under 20 pounds.By contrast,"A taxi costs about 70 pounds and takes 40 minutes,"reports DiScala. 3.Eat Smart,Explore...and Save Look for ways to take your order in pricey restaurants and you can avoid "Are we about to run out of money?""Don't order an appetizer.Don't drink a lot of booze," says DiScala. Also,cover more ground by spreading out your snack places."Have dessert at a cafe or ice cream stand, instead of at the dinner restaurant," suggests DiScala.You'll see more of the city and decisions about where to go for dinner will be less worrying. 4.Hit the Market Much like reading the local newspaper,visiting a market gives context to a foreign country. Even the smallest villages tend to have a weekly open-air market(often on Saturday mornings) , while in larger towns and cities,expect additional market days,as well as big supermarkets. Markets also sell amazing,wallet-friendly souvenirs.Think about sea salt,local spices or sauces,and regional oils and vinegars. Eatable gifts are almost always appreciated,saving you the stress of finding the"perfect"gift for each person on your list.
Question: The passage aims to tell the readers how to _ .
Options: (A) take a plane without waiting for long (B) spend your holidays abroad economically (C) eat in a pricey restaurant at the smallest expense (D) save money to buy eatable gifts in a foreign market
[A]:
B