You will be given a definition of a task first, then some input of the task.
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 handle someone who is in a bad mood [title] Avoid allowing the mood to rub off on you. [step] Quite often a person in a bad mood will leave their mark on those around them. This is often in the form of putting them in a bad mood, as well. <sep> (A) If a co-worker gets a hanky-panky, assert yourself by saying, " it's not okay to mess with me like that " and then backing up. Don't defend yourself in this scenario, though. (B) There is nothing that could happen in this situation, and the only thing that can be done is to remain calm. When the other person is having a bad day, limit your interactions with him. (C) People who are close to each other often mimic each other's behaviors, which can leave you feeling cranky. Instead, do your best to stop them from affecting your mood. (D) There may be simply no other way to start. [substeps] If the person in front of you is unsure what to do, approach them without making him or her feel bad by simply standing in front of them.
Output:
C