单选题 如果发货人发了共计500木箱和500纸箱的货物，则在提单的包装数量一栏中应当填写(    )。
   A．Five Hundred Wooden Cases and Five Hundred Cartons
   B．One Thousand Wooden Cases and Cartons
   C．One Thousand Wooden Cases and/or Cartons
   D．One Thousand Packages