问题详情

Why does the professor clarify the concept of a "fairy"？

A．To explain the origins of the term "fairy tale"

B．To eliminate a possible definition of the term "fairy tale"

C．To support a claim about the function of fairy tales

D．To indicate that fairies are a major element in fairy tales

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！