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

属于相须的是（）

A.石膏与知母配伍

B.黄芪与茯苓配伍

C.半夏与生姜配伍

D.人参与莱菔子配伍

E.甘草与海藻配伍