Which of the Following Can Be Negotiable

Multiple Choice

Which of the following can be negotiable?

A) A promissory note that states, "Pay to Floyd Burchett $3000 on September 1, 2015."
B) A check written on the standard check form that does not state the date it was issued.
C) A promissory note from Farmer Douglas to Hainey Seeds, Inc. promising to pay for the seed purchased in the spring with bushels of grain harvested in the fall.
D) An oral promise to pay to the order of Justin $500 on demand.