The Accompanying Diagram Shows an Edgeworth Box Economy

The accompanying diagram shows an Edgeworth box economy. The initial endowment is point O. At current relative prices, Augie chooses point X and Bev chooses point Y

-Refer to Edgeworth Box Economy.Based on the situation shown in the diagram,we can conclude that

A) Augie and Bev have reached a competitive equilibrium.
B) the relative price of food must rise to clear the market.
C) both point X and point Y must lie on the contract curve.
D) there is a shortage of clothing and a surplus of food.