— Is it my age ______the boss minds?

—I’m afraid so. He will consider ______ necessary to have an experienced assistant.

A．which；it

B．that；it

C．which；that

D．that；that

治疗腹痛饮食停滞证的首选方为（）

A.保和丸

B.半夏厚朴汤

C.六磨汤

D.启膈散

E.枳实导滞丸