下列关于RC低通滤波器说法错误的是（）.

A.频率较低时，输出电压幅度高

B.随着频率的升高，输出电压幅度不断下降

C.随着频率的升高，电容器电抗逐渐上升

D.频率较高时输出，电压幅度较低

Stressful environments lead to unhealthy behavior such as   poor eating habits, which ____  increases the

risk of  heart disease.    [ ]

A. in turn            

B. in return    

C. by chance  

D. by turns