问题详情

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！