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Unearthed in China, fossils of feathereddinosaurs offer the most dramatic evidence yet discovered of the closeevolutionary relationship between dinosaurs and birds.
A. offer the most dramatic evidence yet discovered of theclose evolutionary relationship between dinosaurs and birds B. offerevidence more dramatic than what has yet been discovered of the closeevolutionary relationship between dinosaurs and birds C. offermore dramatic evidence of the close evolutionary relationship than anyyet discovered between dinosaurs and birds D. have offered the most dramatic evidence of the close evolutionaryrelationship between dinosaurs and birds E. haveoffered more dramatic evidence than any that has yet been discovered ofthe close evolutionary relationship between dinosaurs and birds 答案是A 请问为什么D不对。 另外想问YET 用法何在此句的意思，THX。
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发表于 2017-10-15 12:12:07
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