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求助一道语法题
Once positioned in space, the Hubble Space Telescope will capture light from sources twenty times fainter compared to those that can be detected by gound-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
正确答案是D,那C为什么错了呢?D里那个those指代什么?我觉得不应该指代sources啊 |
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