问题详情

Why are early accounts of folk customs unreliable？
A．Because the participants did not reveal the significance of their customs.
B．Because the participants were not aware of the meaning of their customs.
C．Because folklorists undervalued the opinions of the participants.
D．Because folklorists didn"t consider the participants smart enough to answer the questions.请帮忙给出正确答案和分析，谢谢！