Pedro Signs an Instrument That States It Is Being Executed

Multiple Choice

Pedro signs an instrument that states it is being executed "as per a contract for the sale of a case of apples dated May 1." This instrument is

A) negotiable.
B) notnegotiable,because banks cannot easily process commodities.
C) notnegotiable,because it includes the specific date of a contract.
D) notnegotiable,because it refers to an express contract.