听力原文：W: John's room was in a mess. It seemed that he had never cleaned it. M: This problem is not uncommon for a young man from homE. Q: What does the man mean? (15) A.The young man had some unusual problems. B.The problem is common for young peoplE. C.It's not common for young men to leave homE. D.It was a problem for John when he left homE.
A.The B. B.The C. C.It's D. D.It E.
【参考答案】
B 解析：对话中男士提到This problem is not uncommon for a young man......