Desi and Consuela are arguing about how to spend the tax refund they received. He says they should get the car fixed; she says they should first go on a vacation; he then suggests they fix the car and use any money left to vacation; she suggests they sell the car and be rid of the problem. Desi and Consuela are engaging in which pattern of unproductive conflict?

A) ​excessive metacommunication
B) ​kitchen-sinking
C) ​counterproposals
D) ​cross-complaining
E) ​self-summarizing