Rachel Has Just Been Fined by Her Homeowner's Association (HOA)

Rachel has just been fined by her homeowner's association (HOA) for parking her car in front of her house. HOA rules require cars to be in the garage or driveway. Rachel wants to know her best defense.

A) The rules are private laws and unenforceable.
B) The rules must be a state law before fines can be imposed.
C) A court case has held such rules to be unenforceable.
D) There are other neighborhoods where parking cars in the street is not prohibited.