Lily's mobile phone was left in a taxi accidentally, never____ again.[      ]

A. to find            

B. to be found        

C. finding           

D. being found

发现设计错误，设计人应对设计资料及文件中出现的( )负责修改或补充。

A．缺陷和内容
B．不足和错误
C．遗漏或错误
D．遗漏和不足