问题
. He ____ in the north, but now he ____ here.
A:used to live; is used to the life
B:use to live; is used to live
C:used to living; is used to living
D:used to live; is used to live
B:use to live; is used to live
C:used to living; is used to living
D:used to live; is used to live
正确答案是：
