Anyone know why this past SAT question is correct?

lifelearner
Sun, 02 Oct 2011 01:11:05 +0000

But WHY is it “grammatically incorrect”? - I mean, “feeling” that something sounds awkward and writing or saying it differently in “real life” is fine, but on the SAT, is “sounding awkward” a sufficient enough reason? Shouldn’t there exist a very specific rule? Several people wrote to me with very plausible reasons, but no two people seem to agree on the same reason … so I’m still not 100% certain of “why” the latter choice (choice E on the test) would be incorrect to select.