F: Oh no, it's 10:00 o'clock already and I haven't finished my homework. ,M: Don't worry, that o'clock is 20 minutes fast, you still have time to do it.
(A) F: It is 9:40 now? No, it has been 10:00 now. (B) F: Oh, it is 9:40 now. (C) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) F: It's 10:20 now. My god.
B