一道英语阅读One way is to take a good look at the person talking.D

一道英语阅读
One way is to take a good look at the person talking.Do his words fit the way he looks?Does what he says agree with the tone of voice?Stop and think.The minute you spend thinking about the real meaning of what people say to you may save another mistake.
Q:When we listen to a person talking,the most important thing for us to do is
A.notice the way the person talking
B.examine the real meaning if waht he says based on his manner,his tone and his postrue.
为什么选B不选A?