龙胆泻肝汤与蒿芩清胆汤中均含有的药物是（）

A.半夏

B.木通

C.黄芩

D.栀子

E.泽泻

Becky is ________telling stories. So he wants to join the story telling club.

A．good at

B．good with

C．good to

D．good for