Ahmed Cohen Received a Check for $5,000 for a Used

Multiple Choice

Ahmed Cohen received a check for $5,000 for a used car he sold.The check was marked "pay to the order of Ahmed Cohen." On back of this check he wrote,in his handwriting,"Ahmed Cohen." This has the legal effect of:

A) making this instrument nonnegotiable.
B) making this instrument void.
C) making this instrument order paper.
D) making this instrument bearer paper.