A、He has mastered German perfectly by himself. B、He feels that German novel pretty well. C、He won’t need teacher to guide him an

W: If it is hot tomorrow, we may give up the idea of playing tennis in the afternoon.
M: Oh, I don’t think it will last long. The weather forecast says it will cloud over by mid-afternoon.
Q: What are they talking about?

W: Have you been able to understand that German novel without any help from the teacher?
M: I have done pretty well, but I had to fall back on my dictionary occasionally.
Q: What does the man mean?