单选题：According to the author, the burning issue concerning immigr

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题目类型：单选题
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题目内容：

According to the author, the burning issue concerning immigration is__________. A．how to deal with people entering the U. S. without documents
B．how to help immigrants to better fit into American society
C．how to stop illegal immigrants from crossing the border
D．how to limit the number of immigrants to enter the U. S.

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答案解析：

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分类：卫生类题型：单选题