Applying the Parole Evidence Rule

Applying the parole evidence rule:

A) Written contracts with ambiguous terms are automatically void and cannot be corrected.
B) Oral agreements may be used to change a final written contract if the final written contract isn't exactly conforming to the precontract agreements.
C) Written agreements may be used to change a final written contract if the final written contract isn't exactly conforming to the precontract agreements.
D) A written contract is the final expression of the party's agreement and may not be contradicted by oral or written agreements made prior to the writing.