问题补充：
— do you use the computer?
—Almost every day.
A. How long
B. How far
C. How often
D. How soon
答案：
A. How long
B. How far
(答案→)C. How often
D. How soon
解析：句意：你多久用一次计算机？几乎每天。How long多久， How far多远，How often多久一次，How soon多久。根据Almost every day几乎每天，可知是问频率，故选C.
