The text suggests that investigators of monkeys’ social behavior have been especially interested in aggressive behavior among monkeys because ______.
A、aggression is the most common social behavior among monkeys
B、successful competition for incentives determines the social order in a monkey group
C、situation that elicit aggressive behavior can be studied in a laboratory
D、most monkeys are potentially aggressive, yet they live in social units that could not function without control of their aggressive impulses
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正确答案
试题解析
细节题。文章第一段最后一句提到“Studies directed at describing aggressive behavior and the situations that elicit it…were therefore among the first investigations of monkeys’ social behavior”，由therefore可知前面既是研究人员选择研究该项目的原因，文章首句提到“Investigators of monkey’s social behavior have always been struck by monkeys’ aggressive potential and the consequent need for social control of their aggressive behavior”，对应选项D，故D项为正确答案。
