(单选题)
What is the key information the author wants to say in Para.2?
A.Animals make involuntary facial expressions at times.
B.Animals rely on emotions to make facial expressions.
C.Dogs rarely use facial expressions when on their own.
D.Dogs make facial expressions when paid attention to.
参考答案:B
参考解析:
推理判断题。第二段句意:长期以来,人们一直认为动物的面部表情是不自觉的,依赖于情绪状态,而不是一种交流方式。这句话的意思是动物的面部表情跟自身的情绪有关,而不是寻求关注。故选B。
知识点: