Q: 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".
A person gather mops and cleaning materials on a hard floor. the person <sep> (A) lifts the mops and down the floor, then part the carpet material. (B) cleans the hard floor using a dust mop. (C) holds a stuffed animal in his hand while moving. (D) cleans art pieces on a dusty floor.
A:
B