다음 글에서 전체 흐름과 관계 없는 문장은?It is generally… | [법원직 9급 영어] 17년 1회차 기출문제 상세 페이지

다음 글에서 전체 흐름과 관계 없는 문장은?
It is generally believed that primates first appeared on Earth approximately 80 million years ago. Unlike reptiles, they were very sociable animals, creating a large community. ①One of the many ways in which the primates built a network of social support was grooming. ②In most cases, primates have visible folds that they would not have if they had, even lightly, groomed the area. ③For instance, apes spent a large amount of time grooming each other. ④Interestingly, in the case of Barbary macaques, the giving of grooming resulted in more stress relief than the receiving of grooming.

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