单选题
According to the passage, what does the author think of the traditional assumptions about consumer behavior?
A、
The assumptions are not always true.
B、
They are in reliable.
C、
They are in consistent with the findings in investigation.
D、
The assumptions are not at all wrong.
【正确答案】
A
【答案解析】
[精解] 见第二段第七行“But research surveys have shown that this is not always true．”此处this指assumption．
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