根据对话情景，在空白处填入适当的句子

(B is at A's home)

A: It's very cold this morning. Would you like a cup of hot milk?

B: Sorry. (1)_______________.

A: With sugar?

B: (2)_______________. I don't want any sugar.

A: But I know you usually like tea with sugar.

B: Yes. But the doctor told me it's bad for my health.

A: I see. Here's some home cooked food. (3)_______________?

B: No, thanks. I had breakfast an hour ago. (4)_______________.

A: Help yourself to some fruit,then.

B: (5)_______________.

债券票面利率是债券年利息与债券票面价值的比率，又称为（　　）。

A．到期收益率

B．实际收益率

C．持有期收益率

D．名义利率