My family plans to move into the building that is      over there now.

A．being built

B．building

C．to be built

D．been built

某公司发行优先股，每股市价20元，每年每股支付股利2元，筹资费率为2%，则优先股的资金成本率为( )。

A．10%
B．10.2%
C．6.83%
D．12%