--- is the hospital?
---It is about ten kilometers away from here.
A. How many
B. How often
C. How far
D. How soon
网友回答
A. How many
B. How often
(答案→)C. How far
D. How soon
解析：How many多少个；How often多久一次；How far多远；How soon多久。根据答语，从这儿大约有十千米远。可知上文问的是距离，故选C。