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.
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Aprevents blood clots just as well as a commonly used and more expensive blood-thinning drug does
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Bprevents blood clots just as well as does a commonly used and a more expensive blood-thinning drug
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Cprevents blood clots just as well as will a commonly used and more expensive blood-thinning drug
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Dworks just as well as a commonly used and more expensive blood-thinning drug at the prevention of blood clots
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Eworks just as well as does a commonly used blood-thinning drug, which is also more expensive, at preventing blood clots
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正确答案: A