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