A maybe
B probably
C Perhaps
probably; maybe
这两个副词都有“可能”的意思,用法/区别如下：
probably“很有可能；十之八九”,其语义较强,可能性较大.在否定句中,probably不能紧跟在否定词之后.例如：
It will probably be fine tomorrow．明天大概会是晴天.
译：她大概不会来这里.
正：Probably she won’t come here．
正：She probably won’t come here．
正：She won’t come here probably．
误：She won’t probably come here．
maybe是副词,意思是“也许、可能”,在句中作状语,相当于perhaps,常位于句首.
Maybe she’ll come this afternoon.她可能今天下午来.
Maybe you put the letter in your pockets.大概你把信放在衣袋里了.
maybe和may be可相互转换.
He may be in the office.
= Maybe he is in the office.他或许在办公室.
You may be right.
= Maybe you are right.你或许是对的