(B) and (C) are correct (apart from a small typo). (A) is wrong ("you are mistaken about me" is possible; perhaps you are thinking of that). (B) would mostly be used when the speaker has previously made a statement that the other person has misunderstood.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
GPYyou are mistaken about me" is possible; perhaps you a
LaboriousYes. That is what I actually wanted to write, but couldn't remember at that moment. Actually, a guy, whom I had met a few days ago, was thinking that I was a doctor which I wasn't, indeed. So, I'd like to ask you that which of those sentences I might have said in that situation, please.As I mentioned, "you are misunderstanding me" (in this conte