孙继军第三讲15题
15.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 that can detect
(C) than that can be detected
(D) than those that can be detected
(E) than those detecting
我觉得应该选C,"that"指代的应当是light,不是sources吧
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