可以计提坏账准备的有:Zhan Tianyou and Yang Liwei ( ) national heroes. A.are B.all are C.are both D.is both

来源：百度文库 编辑：高校问答 时间：2024/05/06 02:19:10

C

我感觉A就行了
外国人说话没那么罗嗦

我觉得A和C都可以

A

Zhan Tianyou and Yang Liwei ( ) national heroes. A.are B.all are C.are both D.is both yan+yan=yan Once upon a time ,there was a little girl called Nuwa .Her father was Emperor Yan and loved 什么zhan帽 hao wang zhan 绝Yan多生怪柏的yan怎么打 sheiyou dian ying wang zhan da lai kan wang zhan 屁股YAN长MAO？ 怪兽yan 请进来领分