Some so-called climate travelers _______ in one place for a few months and then move on to some other places as the weather changes.
A．have stayedB．a(chǎn)re stayingC．stayD．stayed
C

試題分析：這里是講的是客觀情況，故用一般現(xiàn)在時(shí)。從下文的“as the weather changes”我們也可以知道用一般現(xiàn)在時(shí)。句意：一些所謂的氣候旅行者在一個(gè)地方呆上幾個(gè)月，然后隨著天氣的變化又遷移到其它一些地方。
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