.—It's only ten minutes' walk; I could have got there on foot.— Yes.A taxi _ not at all necessaryAwas B had been C has been D is
问题描述：
.—It's only ten minutes' walk; I could have got there on foot.
— Yes.A taxi _ not at all necessary
Awas B had been C has been D is
答
D陈述事实
答
D陈述事实，乘出租没必要
答
选A
It's only ten minutes' walk; I could have got there on foot.
走十分钟就到了,我本可以走去那里的（说明不是走去的）
Yes.A taxi was not at all necessary 没错,根本没必要打的士.（打的士发生在过去了,用过去时）