问题

– How _______ is it from Xi’an to Dunhuang—- It’s less than 3 _______ flight.
A:has been married; married to
B:has got married; married to
C:has been married; has married
D:has married; has married to;
B:has got married; married to
C:has been married; has married
D:has married; has married to;
正确答案是: