what does this question and answers mean?

"Que hicieron tu y tus sobrinos cuando llegaron a tu fiesta de sorpresa?"
" _____, por supuesto."
a. nos despedimos
b. nos invitaron
c. se regalaron
d. nos abrazamos

(sorry for the missing accent marks)

1 answer

What did you and your nephews do when you arrived at your surprise party. "_____, of course."

a. we said goodbye
b. they invited us
c. they were gifted
d. we hugged

Hopefully, you will guess this one?

Sra