Which of the Following Was NOT an International Economic Difficulty

Which of the following was NOT an international economic difficulty experienced by the West by 1400?

A) Western elites were accustomed to increasing consumption of Asian luxury products.
B) Trade with Asia had ceased as a result of the Mongol conquests.
C) Western trade for luxuries had to be paid for in gold, establishing a negative balance of trade.
D) The rise of the Ottoman Empire once again closed off the eastern Mediterranean for Western merchants and shipping.