问题补充：
I prefer to .
A. do; talk
B. doing; talking
C. do; talking
D. doing; talk
答案：
A. do; talk
(答案→)B. doing; talking
C. do; talking
D. doing; talk
解析：prefer…to…后面可接名词, 动名词或不定式,但不一定要前后一致,可说prefer sth,to ths ; prefer doing sth, to doing sth.也可说: prefer to do sth. rather than do sth.
