— is it from Olympic Center to your school? — It’s about 10 minutes’ walk.A. How muchB. Ho

问题补充：

— is it from Olympic Center to your school?

— It’s about 10 minutes’ walk.

A. How much

B. How long

C. How far

D. How often

答案：

A. How much

B. How long

(答案→)C. How far

D. How often

解析：根据答语可知对距离进行提问，故选C 。而how much 对多少或价钱进行提问，how long 对时间段进行提问，how often 对频率进行提问。