问题
单项选择题
A．He saw CN Tower he visited on TV.
B．He has visited CN Tower twice.
C．He has visited CN Tower once.
D．He will visit the CN Tower in June.
答案
参考答案：C
解析：[听力原文]
W: Did you visit CN Tower when you had your vacation in Toronto last summer
M: I didn’t make it last June. But I finally visited it two months later. I plan to visit it again sometime next year.
Q: What do we learn about the man
