听下面一段材料，回答第1至3题。1.Where does the man probably come from?A.London.B.San Francisco.C.New York.2.How ma

听下面一段材料，回答第1至3题。

1. Where does the man probably come from?

A. London.        
B. San Francisco.         
C. New York.  

2. How many times has the man been to Beijing?

A. Once.              
B. Twice.                
C. Three times.  

3. When does this conversation take place?

A. In spring.          
B. In summer.              
C. In autumn.