请教一道OG~~

BlackTTea

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 microcomputer technology 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


答案是D~~但C为什么不对？是因为第二个it指代问题？

tuscan

it is 的用法不对