If Japan Does Not Have a Comparative Advantage in Producing

If Japan does not have a comparative advantage in producing rice, the consequences of adopting a Japanese policy of reducing or eliminating imports of rice into their country would include:

A) ​making the price of rice in Japan rise.
B) ​making the real incomes of Japanese rice producers rise, but the real incomes of Japanese rice consumers fall.
C) ​making the real incomes of non-Japanese rice exporting countries lower.
D) ​all of the above