she goes up and down the building ___?A:in lift B:by a lift C:by lift D :with a lift?

问题描述:

she goes up and down the building ___?A:in lift B:by a lift C:by lift D :with a lift?
B与C的区别在哪
书上的答案是B。新东方的书。

表示通过借助什么工具的,by后面直接加名词,不加冠词的