You will be easily _____ by the company if you are expert at the computer and you can drive a car as well.

A．taken to

B．taken on

C．taken in

D．taken up

某两个矩形房问的尺寸分别为X、Y、Z和2X、2Y、2Z，但它们的混响时间相同，则其平均吸声系数之比为（）。

A.1：1

B.1：2

C.2：1

D.1：4