Re: [請益]
※ 引述《tulip97 ()》之銘言：
: Trilobites, a group of spineless animals, flourished in the oceans for
: several hundred million years _____ some 200 million years ago.
: (A)until they became excinct (B)and their extinction (C) that were excinct
: (D)because their excinction
: 答案是A
: 想請問C為什麼不對呢?
: 謝謝
是因為是複數的關係嗎?
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