The first thing we notice about new people are their faces.The next time we see these people, we remember them because we remember their faces. This seems like a simple process. However, scientists found that it is not such a simple process. The section of the brain that is responsible for face recognition seems to work differently for different people. Some people have great difficulty remembering and recognizing faces, while others almost never forget a face.
The first paragraph is mainly about ___________.

A．the way to improve one’s face-recognition skills

B．the fact that some people have face-recognition problems

C．the simple process of the brain to recognize others’ faces

D．the importance of face recognition in human communication