--- Mary’s got crazy and has been sent to the mental hospital. Did you tell her boss about that?

--- Yes, but I _____ her husband first.

A．should have told

B．shouldn’t have told

C．must have told

D．needn’t have told

不属于细菌合成代谢产物的是

A．热原质
B．维生素
C．抗生素
D．甲酸
E．细菌素