F: Excuse me, my watch stopped running and I am not sure what's wrong with it. ,M: Well, let me look at it. It seems that it just needs a new battery.
(A) F: But my watch is still running, why does it need a new battery? (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: I wore it when swimming. No wonder it's completely ruined by water. (D) F: Indeed, everything about my watch is normal. It's just dirty.
B