下列抬头的票据可以流通转让的是（） A: Apay to a specified person B: Bpay to the order of a specified person C: Cpay to a specified person or order D: Dpay to bearer

下列（）汇票的写法是指示性抬头。 A: Apay to John Davids or bearer B: Bpay to John Davids only C: Cpay to John Davids not transferable D: Dpay to John Davids