GMAT Sentence Correction (SC) | Re: A new test for AIDS has proved helpful i n eliminating

[quote="eybrj2"] A new test for AIDS has proved helpfulin eliminating blood, contaminated with the virus, from the nation's blood supply.

(A) in eliminating blood, contaminated with the virus, from the nation's blood supply
(B) in eliminating blood from the nation's blood supply that is contaminated with the virus
(C) in eliminating from the nation's blood supply blood that is contaminated with the virus
(D) to eliminate blood that is contaminated with the virus from the nation's blood supply
(E)
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