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".
Input: [header] How to do press supports [title] Know what press supports are and choose a press variation to do supports with. [step] A press support is a static exercise done for time. You simply time yourself holding a weight in the press starting or ending position. <sep> (A) These exercises can be accomplished either a-j k2 or done on a fat rail. Both types are some of the most important support coordination exercises for tremendously large individuals. (B) Press supports involve you jumping about on the balls of your feet when bent at the knees. Or, you can hold a sports cup with your hands and try to lift the cup above your head. (C) The press starting position is at the shoulders and the ending position is where your arm (s) are fully extended overhead. This article is on the one dumbbell press support from the shoulder. (D) [substeps] On the forward press, you're pushing your arms forward against your chest and using your body weight to propel you forward. On the forward press, you'd press your arms back out and then press forward again in reverse direction.
Output:
C