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". 
Input: A woman is kneeling on the sandy beach. she <sep> (A) is using a pair of sandbladers to balance herself on them. (B) has a blue bucket of sand in the bucket. (C) is using a surfboard in front of her. (D) is helping a baby with suntan lotion.
Output:
D