The Graph Shown Demonstrates the Domestic Demand and Supply for a Good

The graph shown demonstrates the domestic demand and supply for a good, as well as the world price for that good. If this economy were to open to trade, which amount of surplus would be transferred and to who?

A) Areas B + C would be transferred to the consumer.
B) Areas B + C + D would be transferred to the producer.
C) Areas B + C + D would be transferred to the consumer.
D) Areas B + C would be transferred to the producer.