具有疏风润燥，凉血泄热功能的药是

A．山楂调中丸
B．开胃山楂丸
C．葛根芩连微丸
D．养胃舒胶囊
E．龙荟丸

It was Mary      was about to go to bed when the telephone rang.

A．that

B．one

C．whom

D．what