Which of the following best describes the authors development of writing？A．Relating a curr

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

A．Relating a current event with an earlier one→raising a suggestion→switching to the past event→restating some reasons for the suggestion.

B．Posing a problem→analyzing the situation→putting forward some solutions.

C．Revealing a problem→switching to similar ones in the past→analyzing the similarities between past and present.

D．Narrating a story→commenting on the story→inviting an open discussion.

请帮忙给出正确答案和分析，谢谢！