Seldomas lonely as now though I have been living in Fuzhou for more than 20 years.A. have

问题补充：

Seldomas lonely as now though I have been living in Fuzhou for more than 20 years.

A. have I felt

B. I had felt

C. I have felt

D. had I felt

答案：

A. have I felt

B. I had felt

C. I have felt

D. had I felt

解析：

句意：我在福州已经住了20多年了，但很少像现在这样孤独。由seldom 可知需要使用部分倒装结构，同时我们不难判断应使用现在时态。