A Negotiable Instrument Is a Special Type of Contract

A negotiable instrument is a special type of contract. It differs from a regular contract because a negotiable instrument is enforceable

A) without consideration.
B) even though the only consideration that supports it is always a pre- existing public duty.
C) only if it is placed under a seal.
D) even if the only consideration that supports it is love and affection.
E) even if the only consideration that supports it is a promise to perform a pre- existing obligation to the same party.