想问一道sc的题，希望大家能帮忙解答～

Cynthia_1 · 发表于 2018-11-21 21:06:10

Once they had seen the report from the medical examiner, the investigators did not doubt whether the body recovered from the river was the man who had attempted to escape from the state prison.

(A) did not doubt whether the body recovered from the river was

(B) have no doubt whether the body recovered from the river was

(C) had not doubted that the body recovered from the river was

(D) have no doubt whether the body recovered from the river was that of

(E) had no doubt that the body recovered from the river was that of

正确但是E，

答案我可以选出来～我有一点疑惑在于如果添加一个选项把E选项中的had换成did的话，还对不对了呢？希望各位牛牛可以帮忙解答一下疑惑～谢谢啦

想问一道sc的题，希望大家能帮忙解答～

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