If we travel a short distance we had better walk taking a bus.A. instead B.instead of C.

问题补充：

If we travel a short distance, we had better walk taking a bus.

A. instead B.instead of C. take the place of

答案：

解析：句意：如果我们旅行很短的距离,我们最好步行而不是坐公共汽车。instead,代替，后不加名词。instead of代替……，后加名词或动名词，介词短语。take the place of ,代替……，动词短语。根据结构缺少介词，故选B。