单选题
The passage suggests that an assumption underlying non-economist social scientists dismal of economics as dismal is that
A、
(A) positive-sum outcomes cannot, by the definition of the power model, exist
B、
(B) all social sciences founded on pragmatism instead of idealism are dismal
C、
(C) zero-sum interactions models are inherently optimistic in their view of the future
D、
(D) scarcity does not necessarily exist as a controlling factor in social systems
E、
(E) economics is anti-utopian by nature, proposing a more realistic view of the future
【正确答案】
D
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