听力原文:W: How often should I teach you that you must ask permission first?M: I don't kno
听力原文:W: How often should I teach you that you must ask permission first?
M: I don't know and I don't care.
What can be inferred from the boy's response?
A.He is innocent.
B.He is careless.
C.He is cynical.
D.He is permissive.