单选题 Lasswell's and Edelman's studies are important in that they ______.

A、 believe that a verbal symbol might evoke a desired reaction
B、 demonstrate that patterning and consistency is crucial to the use of symbols
C、 organize collective attitudes around a symbol
D、 demonstrate a culture's principles are indicated by the slogans which are used

【正确答案】 D

【答案解析】从文章第三段最后一句“the slogans a group uses to evoke specific responses may provide us with an index for the group's norm, values, and conceptual rationale for its claims”可明确得出。