-- What would you like to do? We have an hour until the lecture.

--- ______. Whatever you want to do is fine with me.

A．All right.

B．It just depends.

C．Glad to hear that.

D．It’s up to you.

毒物排泄的主要途径是（）

A.唾液

B.母乳

C.胃肠道

D.肾脏

E.汗液