Situation: Your neighbour claims when she went to a restaurant and ordered rabbit, the restaurant served her cat instead of rabbit. This seems incredible to you, so you ask her to repeat what she thinks they served her.

Interpretation of the utterance: Reiterative exclamative Wh-question with a nuance of surprise

Informator: P. F.

Utterance: Qué quo es que t'an donat?

Translation: What did they give you?
[What it is that you have(present, 3rd plur.) given?]