A-A+
Scientists are trying to find a link between p
问题详情
Scientists are trying to find a link between pollution and ______.
A．intelligence levels
B．antisocial behavior
C．birth defects
D．divorce percentage
参考答案
正确答案：C
解析：根据文章的第四段的第一句，它的中心词为birth defects，这与选项C吻合。
