A-A+
A．The amount of tears can be adapted.B．Crying
问题详情
A．The amount of tears can be adapted.
B．Crying affects the feelings.
C．Tears discharge chemicals built up during stress.
D．Crying leads to producing more chemicals in mars.
参考答案
正确答案：C
解析：细节判断题。需抓住相关信息句“One possibility...is...build up during stress.”再根据后来的题干，可确定选项C为正确答案。
