Leila Enters into a Contract with Metro Taxi Company to Work

Multiple Choice

Leila enters into a contract with Metro Taxi Company to work as a cabdriver. Under the plain meaning rule, if the contract's writing is clear and unequivocal, the meaning of the terms must be determined from

A) ​only evidence not contained in the document.
B) ​any relevant extrinsic evidence.
C) ​only the face of the instrument.
D) ​the later testimony of the parties.