If Country a Can Produce Both Products X and Y

Multiple Choice

If country A can produce both products X and Y more efficiently,that is with smaller amounts of resources than can country B:

A) mutually advantageous specialization and trade between A and B may still be possible
B) we can conclude that A is an "advanced" economy and B is "less developed"
C) it will necessarily be advantageous for B to import both X and Y from A
D) mutually advantageous specialization and trade between A and B will not be possible
E) it will necessarily be advantageous for A to import both X and Y from B