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: Americans are buying more products and services than ever before through the Internet, and the popularity of online sales is likely to spread to other countries. Online sales now represent as much as one-tenth of all retail sales in the United States,which has led traditional stores to seek new ways to keep their customers loyal. Lynne Shaner used the Internet to buy everything she needed for her wedding and holiday gifts for her husband. Other than food, 90 percent of her purchases were made on her home computer. "I find that, by being able to go online and _ the things that I need to select and have them delivered to me right at my doorstep, I'm free from all the driving, all the crowds, all the noise, and I usually get a better selection." There are a lot of people like her. Experts say American online shopping hit records in both November and December. Fifty-seven percent of Americans have bought something electronically. Store owners worry that this growing amount of online sales will hurt their business. Cornell University marketing professor Ed McLaughlin says, "They should be worried. Anything that can move online will be sold online. And it's just a matter of time. However, traditional stores can keep their customers by selling goods like clothing, which buyers may want to see and try on before purchasing. The stores could also offer things that are difficult to ship. " Bill Martin, whose business helps stores learn about their customers, says, "Traditional stores offer a social experience that some people enjoy. There is still a lot of emotion in the buying decision that takes place, and you can't always get that on-line. It's a rather cold process. Traditional stores can provide goods for buyers more quickly than online stores. And some retailers are using websites to persuade people to visit their stores. " While online shopping worries some business owners, the only worry for delivery services like FedEx and UPS is keeping up with the number of packages. UPS Manager Dana Kline says her company is very busy at this time of year. UPS is so busy that it has filled 55,000 temporary worker positions during the holiday season.
Question: According to Lynne Shaner, shopping online _ .
Options: (A) helps choose things she needs most (B) will replace traditional shopping soon (C) offer many benefits to customers (D) seldom provides a better selection

A: C
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Q: Article: Some time ago, a friend of mine punished his three-year-old daughter for wasting a roll of gold wrapping paper. Money was tight , and he became infuriated when the child tried to decorate a box to put under the Christmas tree. Nevertheless, the little girl brought the gift to her father the next morning and said, "This is for you, Daddy." He was embarrassed by his earlier over-reaction, but his anger flared again when he found that the box was empty. He shouted at her loudly, "Don't you know that when you give someone a present, there's supposed to be something inside of it?" The little girl looked up at him with tears in her eyes and said, "Oh, Daddy, it's not empty. I blew kisses in the box. I filled it with my love. All for you, Daddy." The father was crushed. He put his arms around his little girl, and he begged her for forgiveness . My friend told me that he kept that gold box by his bed for years. Whenever he was discouraged, he would take out an imaginary kiss and remember the love of the child who had put it there. In a very real sense, each of us as parents has been given a gold container filled with unconditional love and kisses from our children. There is no more precious possession anyone could hold.
Question: Why did the father punish his daughter?
Options: (A) Because the girl had torn his favourite paper. (B) Because the girl was wasting a roll of gold wrapping paper. (C) Because the girl took the box under the Christmas tree away. (D) Because the father was in bad temper .

A: B
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Q: Article: Mexico City sits on an inland plateau surrounded by volcanic peaks, which makes air quality a constant concern for people who live here. In April, the country took a decisive step toward improving air quality by enacting a temporary ban on private and federal vehicles in the city. The rule forbids people from driving in the city one day each week and one Saturday each month. Electric vehicles, government service vehicles, public transport options and school buses are not included in the ban. Mexico City isn't the first urban centre to be involved in car-free living. But the ban is more than an awareness-raiser; it was enacted with the direct aim of solving air pollution. In March, the city sank into a deep brown haze of smog when pollution levels passed the 200 mark. The city ordered some 1.1m of the area's 4.7m cars off the streets and also offered free bus and subway rides. Mexico City's temporary vehicle ban raises questions about the best ways to improve urban air quality. India, whose citizens breathe some of the world's dirtiest air, has tried a variety of solutions. Earlier this year, the Indian government started a 4% sales tax on new-car purchases. Beijing also has experience with cleaning the air. The city introduced alternate-day rules in advance of the 2008 Olympic Games, which produced good, if short-lived, results. The day after the vehicle-use restrictions were _ , the blue faded back to gray. And then there is the London congestion charge, introduced in 2003. The charge has had a measurable effect on air quality. For now, Mexico City--named by the United Nations as the most polluted city on the planet in 1992--can look forward to the start of the region's rainy season, when daily showers will help to clean the air.
Question: What makes the air quality of Mexico City a concern for citizens?
Options: (A) Its population. (B) Its location. (C) Its public transportation. (D) Its government action.

A:
B
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