问题

Lucy had few close friends. So she didn’t know ________ about the trouble.
A:used to drink ; is used to drinking
B:used to drinking ; drinks
C:is used to drinking; used to drink
D:is used to drink ; is drinking;
B:used to drinking ; drinks
C:is used to drinking; used to drink
D:is used to drink ; is drinking;
正确答案是: