Answer:
A. How the government does the census
Explanation:
It is describing the process.
You can read the first or the last paragraph to get the main idea.
The subject complement is the fallowing a verb which describes the subject.
The correct option is A - Opening. In general, the main idea of a text (independently of its format) is stated in the begining of it. In this case, the purpose or main reason (idea) should be indicated in the beggining so that in the <u>body</u>, that purpose can be further developed in detail (with main points and ideas behind the interview). Finally, in the <u>closing</u>, it could be pointed out once again the purpose of the interview and its main points and also it could be added further information such as a reflexion or further considerations as regards of the interview.
I wish I could help but i’ve never heard of or read this story...