Peter: Hi, Sally. Come and have a look at my photos.

Sally: Are these the photos you took in Africa, Peter?

Peter:   小题1:   Look, this is a wildebeest. It’s an animal in Africa.

Sally:   小题2:    

Peter: No, it doesn’t. It only eats grass.

Sally: Are there a lot of animals in Africa?

Peter:   小题3:  

Sally: Oh, this photo looks interesting. What are you doing there?

Peter:   小题4:  

Sally: Did you have a good time there?

Peter: Of course.   小题5:   

《基本医疗保险药品目录》中药品按照参保人是否需要先自付一定比例费用分为甲、乙两类，其中甲类患者自付比例为（）。

A.0%

B.10%

C.20%

D.30%