TOEFL Listening: TPO-TOEFL听力TPO - 97K481C17WR01CFJR$

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.