Natalie's Mom Is Late Getting Her Ready for Preschool in the Morning

Natalie's mom is late getting her ready for preschool in the morning. As a result, she urges Natalie to just wear her pajamas to school. Natalie is upset and confused, suggesting that she considers wearing pajamas out of the house to be a:

A) violation of a moral rule.
B) violation of a social convention.
C) moral imperative.
D) silly game.