Which of the Following Is True

Which of the following is true?

A) Cannot be bound on contracts made by an agent if the principal's identity is not disclosed to the third party.
B) Cannot through ratification be bound on contracts made by an agent.
C) Can be bound on contracts made by an agent even if the principal's identity is not disclosed to the third party.
D) Cannot through ratification be bound on contracts made by an agent, but a principal can be bound on contracts made by an agent even if the principal's identity is not disclosed to the third party.