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".
Several boxes are stacked in piles. A man turns on a welding tool, sparks flying. he <sep> (A) cuts the wires as he sprays the contents with water. (B) removes the pieces, replacing them with new ones. (C) sprays some white paint onto the boxes, then gets another tool and puts it on a huge nail. (D) uses the tool to weld something on the floor.
A:
D