Which of the following statements concerning non-economists' view of economists can most logically be inferred from the information in the passage

A． Non-economists tend to criticize the prevalence of market exchange in economists' models.
B． Non-economists tend to reject the distinction between zero-sum and positive- sum models made by economists.
C． Non-economists tend to disparage the lack of utopian thinking on the part of economists.
D． Non-economists tend to dismiss the economists' tendency to view human interactions as egotistic behavior.
E． Non-economists tend to interpret the lack of reliance on power models as evidence of economics' "dismal nature".