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Once positioned in space, the Hubble Space Telescope will [#permalink]
09 Aug 2006, 19:59
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Once positioned in space, the Hubble Space Telescope will capture light from sources twenty times fainter compared to those that can be detected by ground-based instruments.
(A) compared to those that can be detected
(B) compared to those they can detect
(C) than that can be detected
(D) than those that can be detected
(E) than those detecting
Last edited by rkatl on 09 Aug 2006, 20:25, edited 1 time in total.
agree with D because it needs "fainter than" to make the sentence logical and we cannot insert "compare to" in between "fainter" and "than". So A/B are out. also needs "those' cuz the comparision is between x sources and y sources.