I'd love to your party last Sunday if not because of the unexpected guests.
A. to go
B. going
C. having gone
D. to have gone
网友回答
A. to go
B. going
C. having gone
(答案→)D. to have gone
解析：考查非谓语动词中不定式的用法。would love to have done something的意思是“原本很想做某件事，但因为某个原因没有做成”。相当于should have done的意思。