This Graph Demonstrates the Domestic Demand and Supply for a Good,as

This graph demonstrates the domestic demand and supply for a good,as well as the world price for that good.
According to the graph shown,if this economy were to open to trade,consumers would:

A) enjoy a net gain to surplus of BC.
B) suffer a net loss to surplus of BCD.
C) suffer a transfer of surplus to the producer of BC.
D) experience deadweight loss of FG.