Sandman wrote:Thanks for the explanation..I looked at "the set of propositions" as a whole and thought that it should be singular.... :lol:
um.
yes, (c) is much, much better than (d).
first, i'll explain why (c) is perfectly correct, and, then, i'll explain why (d) is wrong.
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why (c) is correct:
* it is absolutely possible for "that" in (c) to stand for the whole set of propositions.
for proof, see problem #50 in the OG11 or OG12 diagnostic test (the part in the front - NOT the regular sentence correction chapter), in which the correct answer contains "...a standardized way of distributing songs and full-length recordings on the Internet that will protect..."
this is the same deal.
in fact, since "set of propositions" is the subject of the following verb, the simplest and most straightforward interpretation of this sentence is precisely the one that leads to answer choice (c).
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why (d) is wrong:
YOU CANNOT USE "WHICH" WITHOUT A PRECEDING COMMA.
NEVER.
not in gmat world, anyway.
no.
never.
if there's no comma - that is, if the modifier is
essential - then you must use
that, not
which.
if the modifier IS set off by commas - that is, if it's
nonessential - then you must use
which, not
that.
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are you sure you haven't misread the source?
answer (c) is a perfectly respectable correct answer, while (d) is just incorrect. so, if the source actually cited (c) as the correct answer and you (the original poster) just misread it, then, all good.
if the source actually
does cite (d) as the correct answer, then run for your life!
Ron has been teaching various standardized tests for 20 years.
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