Use the Figure Below to Answer the Following Questions

Multiple Choice

use the figure below to answer the following questions

-We can see that the opportunity cost of moving from point D to point E is different from the opportunity cost of moving from point D to point C because

A) growing rice requires more water than growing wheat for pasta does.
B) the slope of the production possibilities frontier (PPF) is different in each of the two segments.
C) they are all efficient points.
D) they are all attainable points.
E) the opportunity cost is constant along the PPF.