---is it from your home to your school?---It is about twenty minutes by bike.A. How far B.

问题补充：

---is it from your home to your school?

---It is about twenty minutes by bike.

A. How far

B. How long

C. How many

D. How much

答案：

(答案→)A. How far

B. How long

C. How many

D. How much

解析：A. How far多远 B. How long 多长时间 C. How many 多少，修饰可数名词的复数形式D. How much多少，修饰不可数名词；句意：从你家到学校有多远呢？骑自行车大约20分钟。故选A