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According to a study published in The New England Journal of Medicine, aspirin prevents blood clots just as well as a commonly used and more expensive blood-thinning drug does.
(A) prevents blood clots just as well as a commonly used and more expensive blood-thinning drug does (B) prevents blood clots just as well as does a commonly used and a more expensive blood-thinning drug (C) prevents blood clots just as well as will a commonly used and more expensive blood-thinning drug (D) works just as well as a commonly used and more expensive blood-thinning drug at the prevention of blood clots (E) works just as well as does a commonly used blood-thinning drug, which is also more expensive, at preventing blood clots
为什么A比B好呢?百思不得其解,两个有什么区别么?~~~~~~~ |