—Why didn’t you put your cellphone in your overcoat pocket?

—I      , but I was afraid it would be stolen.

A．had put

B．put

C．would have

D．could have

《天上的街市》中，作者对我国古代神话传说中牛郎织女的悲剧命运进行了大胆创新，赋予他们自由、幸福的生活。这样改写有什么作用？请用简洁的语言回答。

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