某施工企业需用一台价值20万元的施工机械，若采用融资租赁方式租入该种设备，年租金额为4.5万元，已知所得税率为33%，则其资金成本率为( )。

A．22.5%

B．15.08%

C．14.47%

D．6.75%

We rushed to the football court, only to see a sign _____ into the ground reading PERIODIC MAINTENANCE (定期维修).

A．knocked

B．knocking

C．to be knocked

D．being knocked