A dictionary doesn't contains antonyms sometimes synonyms
I think what you really want is what is a hidden agenda. well a hidden agenda is a secret motive for something intended to provoke (in an interviewers place)a certain thought. in my belief an interviewers hidden agenda is what thought the would like to convey to the person being interviewed or the main purpose of what he's talking about. the intended affect. but don't take this from me I'm 12
Its definitely c
good luck
