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". 
Problem:A man picks up a brown boot and brushes it. A man opens an aerosol can and sprays the boot. a man <sep> (A) fills a metal tire with aerosol. (B) launches a bicycle backwards into a car. (C) flushes a toilet and squirts some water onto the shoe. (D) rubs the products of a black tube on the boot's sole edge.
Solution:
D