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".
Q: Two men stand and discuss in a gym with weight racks. The weight lifter squats down to show proper stance when lifting. the trainer <sep> (A) talks to the removal company owner. (B) presses on the weightlifter's back to show correct posture. (C) releases his leg's grip and pulls the weight over his shoulder. (D) holds a sanding disk to sharpen a knife.
A:
B