(单选题)

What kind of data is not covered in the census?

A.ID number and gender.

B.Marital details.

C.Language proficiency.

D.ucation and profession.

参考答案：C

参考解析：

细节理解题。根据文章第三段第二句“The census will collect data including name, ID number, gender, marital details, education and profession about Chinese citizens.”可知，人口普查将收集数据，包括姓名、身份证号码、性别、婚姻状况、中国公民的教育和职业。C项“语言能力”没有涉及。故选C。

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