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：[分析] 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。