How does the author develop a paragraph in the pattern of question-example-conclusion？

How does the author develop a paragraph in the pattern of question-example-conclusion？
A.The last part should be the conclusion.
B.In the second part， some examples related to the question should be provideD.C.In the first part， the question should be raiseD.
正确答案：The last part should be the conclusion.In the second part， some examples related to the question should be provided.In the first part， the question should be raised.