F: The pictures are not clear enough. Did you take them with your cellphone? ,M: Yes, I forgot to bring my camera then.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: It turns out that you took it with a camera, no wonder the pictures are so clear. (C) F: Well, though you took the pictures by your cellphone, it is really clear. (D) F: The pictuces are pretty clear, I don't think my cellphone's camera could take pictures like that.
A