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: M. C.

Utterance: Qué'm dises que t'an dat?

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