TASK DEFINITION: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 
PROBLEM: [header] How to start a taxi company [title] Investigate whether there's a need for a taxi company in your area. [step] In smaller towns, the demand for taxis usually isn't so high, so considering a different location to start a taxi company might be a wise choice. [title] Determine your niche. <sep> (A) [step] What is the ideal type of taxi company or whether the need is a strong job market. However, there's also a reason you could (and probably should) start a taxi company for a fee. (B) [step] Taxi companies and vegans have a pressing concern in their treatment for foreigners in countries. Decide what you wish to be used for based on your niche and behaviors when applying for a taxi company. (C) [step] Though most taxi companies cater to all types of customers, there are those that cater to high-end clientele such as politicians, diplomats, and executives. Other taxi companies offer adapted vehicles for the physically impaired, while yet others provide green taxis for environmentally-conscious customers. (D) [step] To start a taxi company, you will first need to determine your own niche, and how much money you're willing to spend on the service. This is where you'll be able to make the hiring process go more smoothly.

SOLUTION: C

PROBLEM: Two young children come down the slope in red and black tubes. They come down steadily and smoothly till they reach the bottom of the slope. there <sep> (A) are some other people climbing up the slope with tubes and sledges in their hands. (B) are some people standing near a water drop holding tubes. (C) they sit on the rails and wait for the lift to come before they get off the roller coaster. (D) is an interview with a reporter from the tv station and a news station talking about mountainous terrain and the people who are climbing to the bottom of the hill.

SOLUTION: A

PROBLEM: [header] How to connect speakers to your laptop [title] Choose a set of computer speakers. [step] As long as your laptop has a usb or speaker/headphone jack, you should be able to use most wired computer speakers. [substeps] Most computer speakers have a 3.5 mm (1/8 ") audio input connector, which is the small plug that will fit into a typical headphone jack. <sep> (A) These speakers will also need to be plugged into a power source. Usb speakers are powered by your computer so they won't need to be plugged into the wall. (B) Roll the speakers onto a plain flat, black hard wood table or mat. Once the speakers are on, plug in the speakers using either the usb, speaker, or adapter you chose, and wrap an electrical tape around the ends. (C) [title] Attach an ethernet cable to your speakers. [step] Figure out which end is turned on and which is off. (D) Iphone, ipad, and ipod are good options. [title] Get a usb or headphone jack from a hardware store.

SOLUTION:
A