Those flowers were 　　　　 for your mother on her seventieth birthday， but as she is away， I would be glad if you accept them.

A．offered

B．produced

C．meant

D．supplied

在利息不断资本化的条件下，资金时间价值的计算基础应采用( )。

A．单利

B．复利

C．年金

D．普通年金