题干
-________ is it from the bus stop to the train station? -Two kilometers.
A：How far
B：How much
C：How old
D：How long
答案(点此获取答案解析）
A
-________ is it from the bus stop to the train station? -Two kilometers.
A：How far
B：How much
C：How old
D：How long
满足
若
则
的值为 （ ）