it's ()walk from my home to school.

问题描述:

it's ()walk from my home to school.
a.two hours and a half b.two and half hours'
c.two and a half hours' d.two hour and a halfs

C.这里的“walk”解释为路程.
整句话的翻译就是从我家到学校需要2个半小时的路程.