听力原文:W: Did you visit the Television Tower when you had your vacation in Shanghai last summer? M: I couldn't make it last June. But I finally visited it two month later. I plan to visit it again sometime next year. What do we learn about the man? A.He saw the big tower he visited on TV. B.He has visited the TV tower twice. C.He has visited the TV tower once. D.He will visit the TV tower in June.