大全815

815。The record of the past is always incomplete, and the historian who writes about it inevitably reflects the preoccupations of their own time.

(A) the historian who writes about it inevitably reflects

(B) the historian writing about it will inevitably reflect

(C) a historian writing about it inevitably reflects

(D) writing about it, it is inevitable for historians to reflect（E）

(E) historians in writing about it inevitably reflect

倒是选对了，通过historians必须是复数做到。但是E选项中的in是什么成分呢？谢谢妞妞。