Verified Answer :

In the narrative
passage, this line is considered the aside of the dramatic work 
" Oh, how do I tell her I've already
seen it with the guys without hurting her feelings".  It refers to a
short comment or speech delivered by the character may it be to the audience or
to himself.

"Oh, how do I tell her I've already seen it with the guys without hurting her feelings," is the correct answer. Hope this helped! :)