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 shows the bottom of a large dust mop. then <sep> (A) , the person blows the dust vigorously with the mop. (B) , the person mop the floor, plaster and half of the frame of the floor. (C) we see a neon sign with a map of the country. (D) , the person cleans a gym with the large dust mop.
A:
D