问题补充:
I have been living in the town for nearly thirty years, but seldom as lonely as I do now.
A. have I felt
B. I had felt
C. I have felt
D. had I felt.
答案:
(答案→)A. have I felt
B. I had felt
C. I have felt
D. had I felt.
解析:否定意义的词开头句子采用部分倒装,又根据语境have been living“一直住”可知是在描述过去的动作对现在的影响所以要选A。