According to the lecture, what is one possible reason that displacement activities are oft

According to the lecture, what is one possible reason that displacement activities are often grooming behaviors？

A．Grooming may cause an enemy or predator to be confused.

B．Grooming is a convenient and accessible behavior.

C．Grooming often occurs before eating and drinking.

D．Grooming is a common social activity.

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！

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