If He Devotes All of His Available Resources to Cantaloupe

Multiple Choice

If he devotes all of his available resources to cantaloupe production,a farmer can produce 120 cantaloupes.If he sacrifices 1.5 watermelons for each cantaloupe that he produces,it follows that

A) if he devotes all of his available resources to watermelon production,then he can produce 80 watermelons.
B) he cannot have a comparative advantage over other farmers in producing cantaloupes.
C) his opportunity cost of one watermelon is 2/3 of a cantaloupe.
D) his production possibilities frontier is bowed-out.