GRE考试

【单选题】It may be inferred that the author would classify which of the following modes of behavior as a referential symbol that originally derived from a condensation symbol
A、Vocalizing inarticulately in order to express rage without using words
B、Writing a pictographic character that vaguely resembles a physical object
C、Flag signaling where the flag movement relies on an existing arbitrary code
D、The use of right-lane highways by general agreement
E、Genuflection to indicate one’s willingness to serve in a situation
网考网参考答案：E
网考网解析：
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