(Figure: the Gains from International Trade) Use Figure: the Gains $\prime$

(Figure: The Gains from International Trade) Use Figure: The Gains from International Trade. If each country specializes completely in the good for which it has a comparative advantage, each country must trade _____ computer(s) for _____ box of roses to consume at combination C $\prime$

A) 1; 0.5
B) 2; 1
C) 0.5; 1
D) 1; 1