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 group of boys chisel a name in sand on the beach with their hands. the boys <sep> (A) shine a worn shoe with a sand scraper. (B) then cut over the name with scissors. (C) hug each other for warmth. (D) leave the art piece leaving just one boy in a red t-shirt to work on it alone.
Output:
D