◎ 题干
I have no idea how it ______ that the man met with trouble again.

 [     ]

A. came out
B. came about
C. came up
D. came across
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“I have no idea how it ______ that the man met with trouble again. [ ]A. came out B. came about C. came up D. came across …”主要考查了你对  【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。