I would like you to my birthday party but I was busy and forgot to call you.A. to inviteB

问题补充：

I would like you to my birthday party,but I was busy and forgot to call you.

A. to invite

B. inviting

C. to have invited

D. having invited

答案：

A. to invite

B. inviting

(答案→)C. to have invited

D. having invited

解析：考查非谓语动词。would like后接不定式，再结合后一分句的内容可知表示的是过去未曾实现的愿望或安排，因此用不定式的完成式。