- do you play computer games? Once a week.A. How soonB. How far C. How longD. How o

问题补充：

--- do you play computer games? --- Once a week.

A. How soon

B. How far

C. How long

D. How often

答案：

A. How soon

B. How far

C. How long

(答案→)D. How often

解析：考察疑问词用法,四个选项分别表示多久、多远、多长和多久一次，根据答语一周一次，可知选D。