问题
                    
Could you please tell me ________ the USA?—In two weeks, I think.
                            A:how soon will you visit
B:how soon you will visit
C:how long have you been in
D:how long you have been in
                        
                        B:how soon you will visit
C:how long have you been in
D:how long you have been in
正确答案是: