Question

--- You ought to have given them some advice.
---         , but who cared what I asked?

A．I ought to

B．So I ought

C．So it was

D．So I did

Answer 1

D

试题分析：考查固定结构。固定结构：so+同一主语+助动词/情态动词/be动词；说明上文的情况属实；意为：的确如此。句意：—你本应该向他们征求意见的。—的确如此。但是谁会在乎我的要求呢？故D正确。
点评：固定结构：so+同一主语+助动词/情态动词/be动词；说明上文的情况属实；意为：的确如此。