Given the task definition and input, reply with output. 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".

[header] How to get your boyfriend back when he broke up with you [title] Try to understand why the relationship ended. [step] Was it a fight, cheating, or did you feel that he slowly lost interest? Understanding why he broke up with you will help you understand if trying to get him back is the best thing to do. [substeps] Think about his behavior in the weeks before the breakup. <sep> (A) Do you recall his comments funny, flirty, or romantic? Try to lighten up the way he treated you that day. Maybe he asked you to dance, for example. (B) If he seemed to have moved on by the time you were together, you might have a rough time dealing with this together. [title] Look for traces of him doing what he used to do. (C) This will help you determine if the relationship can be saved. If it was a sudden breakup resulting from a disagreement, then he just may need some cooling off time. (D) How you feel about his behavior during the months after the break up is probably confidential. Even if the relationship ended, how you feel now about him is entirely up to him.
C