Detailed 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".
Q: Man starts scraping grout around on the floor. man <sep> (A) start cleaning under and on the floor. (B) scraps off the excess grout. (C) is sitting on the floor cleaning what looks to be an army drill. (D) starts being wash the floor with a trimmer.
A:
B