—Why not come and join us in the game?

—__________, but I must meet Mr. Smith at his office now.

A．I’d like to.

B．Let’s go

C．Yes, please

D．It’s a pleasure

下列有关蜂蜜炼制目的的叙述，错误的是（）

A.除去水分

B.除去杂质

C.改变药性

D.增加黏性

E.杀死微生物，破坏酶