(单选题)

What does the word “fraught” possibly mean?

A.Important.

B.Worrying.

C.Complicated.

D.Difficult.

参考答案：B

参考解析：

词义猜测题。根据文章第四段前两句“Censuses are difficult everywhere, but China’s is especially fraught. Its hundreds of millions of migrant workers are tricky to count”可知，人口普查在各地都很困难，但中国的人口普查尤其令人担忧，数以亿计的农民工很难统计。故选B。

知识点：阅读理解四选一英语专业基础知识阅读理解教师招聘-小学英语