OG10 SC 183 问题

答案是B                      我想知道C 选项为何不对？  谢谢

183. Archaeologists in Ireland believe that a recently discovered chalice, which dates from the eighth century,

was probably buried to keep from being stolen by invaders.

(A) to keep from

(B) to keep it from

(C) to avoid

(D) in order that it would avoid

(E) in order to keep from

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