Remember, the _______ your practise speaking English, the _______ you will use it.

A．hard, well.

B．harder, well

C．hard, better

D．harder, better

回购到期清算日9:00—15:00，融资方和融券方均可通过PROP系统对当日到期的一笔或多笔买断式回购申报不履约。( )