og11-50请教主语从句

50. That educators have not anticipated the impact
            of microcomputer technology can hardly be
            said that it is their fault: Alvin Toffler, one of the most prominent students of the future, did not even mention microcomputers in
            Future Shock, published in 1970.

(A)         That educators have not anticipated the impact of microcomputer technology can hardly be said that it is their fault

(B)         That educators have not anticipated the impact of microcomputer technology can hardly be said to be at fault

(C)        It can hardly be said that it is the fault of educators who have not anticipated the impact of microcomputer technology

(D)        It can hardly be said that educators are at fault for not anticipating the impact of microcomputer technology

           (E)The fact that educators are at fault for not anticipating the impact of microcomputer technology can hardly be said

og说In the original sentence, the subordinate clause that ... tech. nology is followed by the main verb, can ... be said, but then the verb is followed by yet another subordinate clause, that it is their fault.

它是说有歧义, 但是That..... can't be said that................有问题吗?  不是挺好的主语从句吗?  它没有说redundant 的问题,而说是歧义, 不太理解!

请问Og这句话什么意思?

up,继续问题的主语从句