Agnes Can Produce Either 1 Unit of X or 1

Agnes can produce either 1 unit of X or 1 unit of Y in an hour, while Brenda can produce either 2 units of X or 4 units of Y in an hour.

A) Brenda has an absolute advantage in the production of X and Y.
B) Brenda cannot gain from trade.
C) Brenda has a comparative advantage in the production of X.
D) Agnes has a comparative advantage in the production of Y.