问题
单项选择题
No such weapons were used and none been found.
A．none have been
B．none has
C．no other has been
D．no others been
答案
参考答案：A
解析：结构应用。此句由and连接两个并列成分，所填选项应与前面were used一样，是一个完整的结构；因此选项B．none has和D．no others been均是错误表达；C．no other has been与and前的半句时态不符；只有A．none have been的结构正确。