_________, he could continue working in this company now.

A．Had he not lied to the boss

B．Did he not lie to the boss

C．If he has not lied to the boss

D．If he didn’t lie to the boss

布查氏综合征诊断金标准（）。

A.超声

B.CT

C.血管造影

D.MR

E.核医学