根据所给的首字母填写单词。

     I am a middle s    1   student now. I h   2   four new classmates. T  3   are Lucy, Sally, Alan a   4   Carl.

Lucy and Sally a   5   girls. Alan and Carl are boys. Lucy is tall. She is slim, t   6   . Sally is not tall. She is

small and thin. Alan is Lucy's cousin. He i   7   big and strong. He is v   8   helpful. Carl is a short boy. He is f   9   England. All m   10   new classmates are polite. We are good friends.

某公司普通股每股市价20元，现准备增发4万股，预计筹资费率为6%，上一年每股发放股利2元，以后每年增长5%，则本次增发股票的资金成本率为（）。

A．15.64%

B．10%

C．16.17%

D．5.11%