—Jim does well in Chinese in our class.

—___      . No one does better than him. [ ]

A. So do I

B. So he does

C. So I do

D. So does he

在运算放大电路中，输出与输入非线性的是（）运算放大器。

A、乘法；

B、对数；

C、比例；

E、加法