The answer is D. passé composé
A qui as tu vendu ta voiture?
j'ai vendu
tu as vendu
il a vendu
nous avons vendu
vous avez vendu
ils ont vendu
Reversing. swapping the verb and subject and adding a hyphen
e.g. es-tu ...?
just raising your voice/ adding a question mark
e.g tu es....?
and I can't remember the other one, sorryyyy. I'll check my book, wait a sec
