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: Exclamative reiterative Wh-question with a nuance of surprise

Informator: J. S.

Utterance: Qué dises que t'an donat?

Translation: What are you saying they served you?
[What say(present, 2nd sing.) that you have(present, 3rd plur.) given?]