问题详情

ThediscoveryshowsthatWesterners______.
A．payequalattentiontoeyesandmouth
B．considerfacialexpressionsuniversallyreliable
C．observeeyesandmouthindifferentways
D．havemoredifficultiesinrecognizingfacialexpressions
请帮忙给出正确答案和分析，谢谢！