is easier than doing.A. TalkingB. To talkC. TalkD. Talked

问题补充：

is easier than doing.

A. Talking

B. To talk

C. Talk

D. Talked

答案：

(答案→)A. Talking

B. To talk

C. Talk

D. Talked

解析：

这里考查动名词作主语的用法，因为后面用了doing，为了一致，所以用动名词，不用不定式。句意是：说比做容易。