Under no circumstances and at no time___be the first___nuclear weapons.A shall we,to useB we shall,using C shall we,usingD we shall,to use

问题描述:

Under no circumstances and at no time___be the first___nuclear weapons.
A shall we,to use
B we shall,using
C shall we,using
D we shall,to use

选D 在任何情况发生和没有时间的情况下,我们要第一个去拿起武器

选A
前一个空格是半倒装结构
后一个是不定式表示即将开始的动作

Under no circumstances and at no time 放句首用倒装 ,
序数词后跟to do