Some species disappeared or became ______ as new forms came into being that were better ad
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Some species disappeared or became ______ as new forms came into being that were better adapted to the Earths changing environment.
A．extinguished
B．massive
C．extinct
D．feeble
请帮忙给出正确答案和分析，谢谢！
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正确答案：C
形容词词义辨析题。由并列连词or可知，空格中应填入与disappeared“消失”意思相近的词，extinct“灭绝的，绝种的”符合句子语境，故C正确。extinguished表示“(灯火、希望、热情、想法等)被熄灭的，被消灭的”，不符合本句语境；massive表示“大量的，大规模的”；feeble表示“虚弱的，脆弱的”。