Under no circumstances, he was warned, to give the password to someone else.
A. he was
B. was he
C. he could
D. could he
网友回答
A. he was
(答案→)B. was he
C. he could
D. could he
解析：这题考查倒装句，he was warned是插入语，句首是：Under no circumstances在句首时，句子要部分倒装，另外由于横线后面是不定式，不可能是could，选B。句意是：他被警告绝不能把密码告诉别人。选B。