半夏泻心汤的药物组成为（）。

A.黄连、生姜

B.黄柏、干姜

C.黄芩、生姜

D.黄连、干姜

E.大黄、干姜

One solution to major security problem is（），which are frequently installed to fix known security holes.

A．patches

B．compensations

C．complements

D．additions