58. 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 had attempted to escape from the state prison

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

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

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

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

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

选E？no doubt that, right?

有没有关于doubt用法的总结呢？

E

OG上对doubt用法的说明：When doubt is used in a negative context such as there is no doubt or he does not doubt, it should be followd by that.In other contexts, whether or if should be used to introduce a clause following doubt: I doubt whether he will come.

谢谢：）

也就是：

否定：no doubt/do not doubt + that

肯定：doubt + whether

og中解释说：

A dead body cannot be a man;the body is that of a man.

这是什么意思啊？

弱弱的问一句：Once they had seen the report 为什么要用完成时啊？Once

they saw the report不就可以了么？