A Man Is Listening to Loud Music and Singing Along

A man is listening to loud music and singing along in public. The people around him glare and frown at him in hopes that he will stop. The man ignores them, which indicates that he

A) doesn't know that some activities are taboo.
B) must be part of the dominant culture.
C) is engaged in a culture war.
D) doesn't seem to care about negative sanctions.