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。