单选题 根据下列汇票记载，可判定记载为______的汇票为无效汇票。
   A．Pay to Jackson Co. or order the sum of six thousand US dollars．Drawn under L/C No. 83419issued by Westminster Bank Limited, London dated on 8th May 2004
   B．Pay to Jackson Co. or order the sum of seven thousand US dollars and charge/debit same to applicant's account with you
   C．Pay to Jackson Co. or order the sum of eight thousand Hongkong dollars plus interest
   D．Pay to Jackson Co. or order the sum of nine thousand Hongkong dollars plus interest calculated at the rate of 8/%p.a.