单项选择题
Which of the following must a promissory note contain to make it negotiable?()
A.an acknowledgement of debtB.an implied promise to payC.an unconditional promise to payD.a promise to negotiate
A.It is not a separate legal entity from the ownerB.It is a small business that is exempted from taxationC.It is a not-for-profit organizationD.It is generally an institution with no business dealings
A.Miss B. Mr C.Mrs D.Father