题目选项分析

A conservation group in the United States is trying to change the long-standing image of bats as frightening creatures. The group contends that bats are feared and persecuted solely because they are shy animals that are active only at night.

Which of the following, if true, would cast the most serious doubt on the accuracy of the group's contention?

【选项】Bats are the chief consumers of nocturnal insects and thus can help make their hunting territory more pleasant for humans.