请选择ABCD-J,I;N8R+f:x Peter is having a lesson.6d'a9q)}4`
A. He should listen to the teacher.6d'a9q)}4`
B. He should talk with his friends.6d'a9q)}4`
C. He should play with his toys.6d'a9q)}4`
D. He should run away.6d'a9q)}4`