Which of the following best describes the authors development of the passage？A．Introducing

Which of the following best describes the authors development of the passage？

A．Introducing the issue→listing possible solutions→making the closing statement.

B．Raising the topic→giving supportive details→drawing up the conclusion.

C．Introducing the issue→providing controversial opinions→making the closing statement.

D．Describing the actual status→putting forward the question→giving practical answers.

请帮忙给出正确答案和分析，谢谢！