So difficult it to live in an English-speaking country that I was determined to learn English well．
A. I have felt
B. have I felt
C. I did feel
D. did I feel
网友回答
A. I have felt
B. have I felt
C. I did feel
(答案→)D. did I feel
解析：考查倒装。So…that句型so位于句首句子采用部分倒装。 我感到生活在说英语的国家如此难以致于我决定学好英语。 选D