The Following Question Are Based on the Following Diagrams

The following question are based on the following diagrams:

-From the diagrams,it can be seen that

A) country A has a comparative advantage in both commodities.
B) country B has an absolute advantage in both commodities.
C) country B has a comparative advantage in chemicals.
D) it is more costly in terms of resources to produce steel in country A.
E) the slopes of the two curves indicate both countries will specialize in chemicals.