Which of the Following Is True of a Unilateral Mistake

Multiple Choice

Which of the following is true of a unilateral mistake?

A) Only one mistake or ambiguity is present in the subject matter of entire contract.
B) Out of several contracts drafted simultaneously between two parties,one has a mistake in its subject matter that does not concern the other contracts.
C) Only one party is mistaken about a material fact regarding the subject matter of a contract.
D) A single mistake about a material fact in the subject matter of a contract appears several times in the contract.