—Why, Jack, you looks so tired!
—Well, I（）the house and I must finish the work tomorrow.

A. was painting

B. will be painting

C. have painted

D. have been painting

关于上海证券交易所质押式回购交易规则，下列表述正确的是（）。

A．100元标准券为1手 

B．最小报价变动单位为0.01元或其整数倍 

C．单笔申报最大数量不超过10万手 

D．计价单位为每百元资金到期年收益