下列哪种写法符合合法汇票对金额的要求（）

A.Pay to the order of A Co.the sum of one thousand US dollars by installments
B.Pay to the order of A Co.the sum of one thousand US dollars plus interest
C.Pay to the order of A Co.the sum of one thousand US dollars only
D.Pay from our N0.2 account to the order of A Co.the sum of one thousand US dollars only converted into GBP