Neoclassical economic models assume that people consistently make rational economic decisions, but Laura Gee of Tufts University makes no such assumption; behavioral economists such as Gee, whose research focuses on charitable giving, __________ that economic decision-making can in fact be highly irrational.
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Verbal·Standard English Conventions·Form, Structure, and Sense
mediumWhich choice completes the text so that it conforms to the conventions of Standard English?
A
has contended
B
contends
C
is contending
D
contend