Who will ________ to ________ at tomorrow’s meeting by the teacher?

A．be told; say

B．be asked; speak

C．be told; talk

D．be asked; tell

吸收塔操作线方程式只与（）有关。

A、系统的平衡关系

B、操作温度和操作压力

C、塔的结构

D、物料衡算