听力原文:M: Tom must be joking when he said he planned to sell his shop to go to universit
W: Don't be sure. I don't know how many times he's told me that he wishes to go to university.
Q: What does the woman mean?
(18)
A.She is not sure Tom is joking.
B.She thinks Tom wants to go into business.
C.She thinks Tom may sell his shop.
D.She thinks Tom has already studied in university.