The little girl can’t decide ______ though there are so many kinds of MP5 in the mall.

A．what to choose

B．to choose which

C．which to choose

D．to choose what

某企业拟增加发行普通股，发行价为10元/股，筹资费率为4%，企业刚刚支付的普通股股利为0.8元/股，预计以后每年股利将以5%的速度增长，企业所得税税率为40%，则企业普通股的资金成本为（）。

A．8.75%

B．13.75%

C．10.25%

D．13.33%