My friend, Tom, may have missed taking the flight to Africa, ______ he can’t arrive for another hour.

A．in which case

B．in that case

C．in case

D．in any case

肾功能不全者，不宜使用（）

A.ARB

B.β受体阻滞剂

C.利尿剂

D.ACEI

E.钙拮抗剂