问题补充：
--- Could you tell me ?
--- It’s twenty minutes by underground.
A. how can I get to your school
B. how long does it take me to get to your school
C. how far it is from your home to your school
D. how much it costs to get to your school
答案：
A. how can I get to your school
B. how long does it take me to get to your school
(答案→)C. how far it is from your home to your school
D. how much it costs to get to your school
解析：how怎样；how long多长；how far多远；how much多少钱。英语宾语从句中一般为陈述语序。根据答语，乘地铁大约二十分钟。可知上文问的是距离，选项B为倒装语序，故选C。
