Teacher: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".
Teacher: Now, understand the problem? Solve this instance: She first scrubs the dirt from the chair with a sponge. Next, she applies a silver paint to the chair. she <sep> (A) then rubs it all over the chair. (B) then soaps the chair with a sponge. (C) then dips her brush in a blue paint to cover the chair's seat, back, and then arms/legs. (D) traced the tools from her brush back and forth with the brush.
Student:
C