So difficult it to live in an Enghish-speaking country that I determined to lear

So difficult ________ it to live in an Enghish-speaking country that I determined to learn English well．

A.I have felt

B.have I felt

C.I did feel

D.did I feel

试题答案

D

解析：

本题考查部分倒装，当“so+形容词/副词”引起的结果状语从句放在句首表示强调时，主句采用部分倒装语序，即将主语中的助动词移到主语之前，形成“so+形容词／副词+助（系）动词+主语+谓语+that从句”结构。