单选题 Listen to Track 46.

A. She wants the students to think about a possible connection.
B. She wants to know if the students have any questions.
C. She is implying that researchers have been asking the wrong questions.
D. She is implying that there may be no connection between the questions.

【正确答案】 A

【答案解析】[解析]
Narrator
Listen again to part of the lecture. Then answer the question.
Professor
OK, what have we tried to find out about the tree since we've discovered it? Hmm, well, how... why is... is it so rare is one of the first questions. Uh, how is it, uh, how does it reproduce, is another question. Uh, maybe those two questions are actually related?
Narrator
Why does the professor say this:
Professor
Maybe those two questions are actually related?