问题

David asked______ in China. —– Of course not. Chinese usually shake hands with a lady as a greeting.
A:why he can greet a lady by kissing her
B:Why he could greet a lady by kissing her
C:Whether he can greet a lady by kissing her
D:Whether he could greet a lady by kissing her;
B:Why he could greet a lady by kissing her
C:Whether he can greet a lady by kissing her
D:Whether he could greet a lady by kissing her;
正确答案是: