Figure 51 the Figure Shows a Linear Production Possibility Curve Representing

Multiple Choice

Figure 5.1. The figure shows a linear production possibility curve representing a tradeoff faced by a country, between necessities and luxuries​.
-The phrase in the text, 'human beings are self-interested, not selfish' means that:

A) people are never selfish.
B) people never act in a spiteful or belligerent manner.
C) people never act in a fit of rage.
D) people contribute to charities and they help others.
E) people care only about themselves and their families.