—Can I look at the menu for a few minutes before I decide?

—Of course. ______, sir.[ ]

A. Make yourself at home

B. Enjoy yourself

C. It doesn’t matter

D. Take your time

后腹部末节有锐钩状毒刺的药材是

A．冬虫夏草

B．土鳖虫

C．蜈蚣

D．全蝎

E．地龙