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". 

[EX Q]: . four bikers at the start of the line <sep> (A) get no a jump. (B) are wearing different colors of uniforms and helmets, they are about to get start the race. (C) leave and race towards a parking lot on the right. (D) go on the parallel bars but they can't take off their bikes.
[EX A]: B

[EX Q]: A bunch of men are inside a green colored gym. They are lobbing a tennis ball back and forth. they <sep> (A) are engaged in a game of tennis. (B) bounce the ball up and down on the trampoline as they go. (C) hit the ball up high into the air. (D) knock balls off the hoops into the spectators.
[EX A]: A

[EX Q]: [header] How to make your cat's fur soft and shiny [title] Groom your cat to improve the look of its coat. [step] Regular brushing will remove loose hairs, dirt, and external parasites. It will also help spread natural oils produced by your cat's skin throughout its fur. <sep> (A) This will increase the overall shininess and sleekness of your cat's coat. [substeps] Brushing your cat frequently will also reduce the amount of fur that it swallows when grooming itself, thus reducing the number of hairballs it produces. (B) [substeps] Take your cat to a veterinarian or a dog groomer to have your cat's fur professionally waxed. Avoid brushing your cat's coat often to prevent it from shedding too much. (C) Be sure to do some gentle brushing prior to grooming your cat. [substeps] This is even more important if your cat has a rough coat; always use a soft bristled brush such as a slicker brush, never the broad brush as cats are susceptible to hair fractures. (D) Apply a coat removing conditioner to your cat. Then, comb or gently brush the hair to " fluff " or " disguise " the hair.
[EX A]:
A