单选题 Listen to Track 48.

A. He thinks the topic goes beyond his expertise.
B. He thinks the topic is too broad for the student to manage.
C. He thinks the topic is not relevant for a linguistics class.
D. He thinks other students may have chosen the same topic.

【正确答案】 B

【答案解析】[解析]
Narrator
Listen again to part of the conversation. Then answer the question.
Student
The section on dialects? 'Cause, like, that's the kind of thing that's always sort of intrigued me, you know?
Professor
Well, that's certainly an interesting topic, but you may not realize, I mean, the scope...
Narrator
What can be inferred about the professor when he says this:
Professor
Well, that's certainly an interesting topic, but you may not realize, I mean, the scope...