问题补充：
--- is it from your home to school?
---It’s three miles.
A. How long
B. How many
C. How much
D. How far
答案：
A. How long
B. How many
C. How much
(答案→)D. How far
解析：通过It’s three miles“三里路”可知，问句应该是提问路程的。How long “多长”表示长度；How many“多少”表示数量，提问可数名词；How much“多少”表示数量，提问不可数名词；How far“多远”表示路程。所以本题选D。
