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". 

[header] How to solo travel to vienna [title] Plan to stay in a hostel. [step] When traveling alone, it's always a good idea to stay at a hostel. Not only are hostels generally cheaper than hotels, this will help you meet people during your travels. <sep> (A) Taking advantage of free accommodations can help you pass the time and save money. [title] Plan initial backpackers getting used to the cities and customs of vienna on the flat travelling budget. (B) While there are many events you may enjoy alone, vienna has a booming nightlife. On occasion, you may want company for a night out, so a hostel is a good option for this. (C) It will also offer a safe, modern way to escape from the nightlife. An hostel is also a good place to set your budget on a day-to-day basis as you decide if you want to stay alone. (D) Search online for hostels near you if you want to take a trip somewhere you've never been, and plan to stick to the hostel's offerings. [substeps] The best traveling companions who are available in these places will be people who seem friendly, adventurous, and easily reunited from their long life.
B

A person vacuum the inside of a car, while other men clean by hand the car with detergent and water. then <sep> (A) , a man tops small metal bin, cover it with rubber tape and throw it on the side, then the men polish and clean and polish the car outside in the grass around. (B) , a man dry the car with clothes. (C) , the men applies soap and ties the hair, after they dry with asian cloth. (D) , the man goes peolpe on the road.
B

[header] How to answer questions during a traffic stop [title] Pull over. [step] Whether the car is an easily identifiable police car or an unmarked car with police lights, it is important to pull over as soon as you can safely do so. Use your turn signals to identify that you are pulling over and make your way to the right-hand side of the road. <sep> (A) [substeps] Do not make an erratic driving moves such as speeding up or slamming on the brakes. Do not pull into the left-hand lane as it may appear that you are trying to get away. (B) You will need to make sure that your car is up front of the posted traffic light and at least a short distance from the police vehicle when you pull over. [substeps] Try to appear as if you were waiting for the police and of no concern. (C) The safest approach is to never pull over on the right-hand side, as this is the safest way to enter the median without the police noticing you. [substeps] If there are multiple police cars blocking the intersection, pull over the car before you see the police. (D) Stopping a police car in the middle of the road is always a form of reckless driving that may offend a pedestrian. [substeps] Before turning around, inform the officer ahead of you why you have pulled over so she can go over to you.

A