单项选择题

The author presents the numbered hat check as an example of

A. a referential symbol that relies on copying the thing it symbolizes in simplified form
B. a condensation symbol that gradually grew into a referential symbol over time
C. a referential symbol that is devoid of associational symbolism
D. a referential symbol that was gradually weaned from its initial emotional context
E. a referential symbol that may gradually metamorphose from its original context into a condensation symbol