A .贴现日到汇票到期日天数(算头不算尾)+2天(节假日顺延)+3天(异地划款时间)
B .贴现日到汇票到期日天数(算头不算尾)+3(异地)
C .贴现日到汇票到期日天数(算头不算尾)
D .贴现日到汇票到期日天数(算头不算尾)+2天(节假日顺延)