Moe Divides His Time Between Studying Physics and Studying Economics

Multiple Choice

Moe divides his time between studying Physics and studying Economics.He has discovered that he can earn grades as shown on this production possibilities curve.
Refer to the figure above.Both of Moe's professors require at least a 65 to pass and a 90 to earn an A.After looking at his PPC,Moe realizes that:

A) he can pass both classes.
B) he can pass economics,but only if he fails physics.
C) he can pass physics,but only if he fails economics.
D) he could earn an A in economics and still pass physics.