57. 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
这道题答案选D，后面答案对E中的解释说：“the fact that” is wordy ,所以不选
83. In 2000, a mere two dozen products accounted for half the increase in spending on prescription drugs, a phenomenon that is explained not just because of more expensive drugs but by the fact that doctors are writing many more prescriptions for higher-cost drugs. (A) a phenomenon that is explained not just because of more expensive drugs but by the fact that doctors are writing (B) a phenomenon that is explained not just by the fact that drugs are becoming more expensive but also by the fact that doctors are writing (C) a phenomenon occurring not just because of drugs that are becoming more expensive but because of doctors having also written (D) which occurred not just because drugs are becoming more expensive but doctors are also writing (E) which occurred not just because of more expensive drugs but because doctors have also written