Australia Exports Wine to Canada,and Canada Also Exports Wine to Australia.This

Australia exports wine to Canada,and Canada also exports wine to Australia.This is a(n)

A) example of the inefficiency of trade patterns.
B) general conclusion of the Heckscher- Ohlin theory.
C) likely result of economies of scale and product differentiation.
D) obvious failure to take advantage of specialization.
E) violation of the law of comparative advantage.