Which of the Following Statements Will Satisfy the Basic Requirement

Which of the following statements will satisfy the basic requirement of a negotiable instrument to be in writing?

A) Only instruments that are handwritten are considered to be in writing.
B) An instrument written on a piece of wrapping paper will be considered a poor business practice and will not be negotiable.
C) Writing does not have to be on any particular material,all that is required is that the instrument be in writing to be negotiable.
D) An instrument written in pencil does not qualify as a negotiable instrument.