The author uses which of the following in presenting his argument

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".

A． The string 1110 should be interpreted to represent 1
B． The string 2020 should be interpreted to indicate the presence of noise
C． A four digit code is more likely to be accurate than a three digit code
D． It is permissible to duplicate the bits in a code
E． Three digits in agreement, such as 111, indicate the absence of degradation

A． refined
B． original
C． compelling
D． admirable
E． contemporary