题目内容：

Helene used to be very shy but she has grown __________ it now.
A.without B.over C.away D.out of

优质解答

grow without:没有办法去发展
grow over :增长
grow away:疏远,离开,脱离
grow out of :长大而厌倦（某事物）；从…长出来；产生于,源于
原句的意思是海伦过去很害羞,但是现在已经不害羞了（即脱离害羞了）.
所以选C