Instructions: 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 leaf is floating through the murky ocean water. a group of scuba divers <sep> (A) are exploring the bottom of the sea. (B) are scuba diving under the pool. (C) stands on shore of a body of water surrounded by coral. (D) uses their hands to hold onto a disc shaped object.
Output:
A