________ away from people who try to belittle(轻视) your ambitions. Small people always do that, but the really great make you feel that you, too, can become great

A.Keeping

B.To keep

C.Kept

D.Keep

答案及解析： D

解析：

考查祈使句。祈使句是省略主语的句子，以动词原形开头，所以选D。