After the earthquake passed away all the villages and towns were . And no being was seen.

问题补充：

After the earthquake passed away, all the villages and towns were . And no being was seen.

A. in ruin B. in ruinsC. at ruins D for ruins

答案：

解析：考查ruin 用作名词时表状态的用法。Be in ruins 的意思是“成为废墟”