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".
Q: He holds the cat on his lap while he clips its toe nails one at a time. He clips the nails on the back of the cat's legs. he <sep> (A) picks up the cat when he is done and sets it on the floor. (B) plays with an item on the cat's knees. (C) clips the back of the cat's ears one at a time. (D) ties the cat's shoe laces and helps him to stand.
A:
A