He threw away all the ______ cigarettes, _____ to give up smoking for the sake of his health. [ ]

A. remained; determining

B. leaving; determined

C. remaining; determined

D. left; determining

公房销售时，缴纳维修资金的提取比例是( )。

A．多层住宅不低于售房款的20%

B．多层住宅不低于售房款的25%

C．多层住宅不低于售房款的30%

D．高层住宅不低于售房款的25%

E．高层住宅不低于售房款的30%