问题补充：
--- is your home from the school?
---Only ten minutes’ ride on a bike.
A. How long
B. How often
C. How far
D. Where
答案：
A. How long
B. How often
(答案→)C. How far
D. Where
解析：How long多长；How often多久一次；How far多远；Where在哪儿。根据下文，只有骑自行车十分钟的路程。可知上文问的是距离，故选C，你知道从你家到学校多远吗？
