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 if the only consideration that supports it is a promise to perform a pre-existing obligation to the same party.
C) even if the only consideration that supports it is love and affection.
D) even though the only consideration that supports it is always a pre-existing public duty.
E) only if it is placed under a seal.