og12-83

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

选B,请问not just...but also这种情况也时正确的吗？相当于not only, but also?

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liulu007发表于 2012-5-14 21:42 | 只看该作者

lz, ls and lls:

extracted from og explanation which indicates the contrary.

... explains that a few high-cost products account for increased spending for two reasons- rising drug prices and more prescriptions for high-priced drugs.

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