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

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

A．Background information→introducing the issue→describing its current situation.

B．Introducing the issue→describing its current situation→citing ways to solve the issue.

C．Describing its current situation→offering the reasons→citing ways to solve the issue.

D．Introducing the issue→giving the background information→describing its current situation.

请帮忙给出正确答案和分析，谢谢！