Here "not having been invited" means "the fact that she had not been invited",meaning the result from the past is affecting her right now.
In addition,you need a gerund to start a sentence here.
So choose "not having been invited".
Here "not having been invited" means "the fact that she had not been invited",meaning the result from the past is affecting her right now.
In addition,you need a gerund to start a sentence here.
So choose "not having been invited".