![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
已知程序清单如下()#include<stdio.h>main(){char c1,c2;scanf("%c,%c",&c1,&c2);switch(c1){ca
已知程序清单如下()
#include<stdio.h>
main()
{char c1,c2;
scanf("%c,%c",&c1,&c2);
switch(c1)
{
case 'a':printf("100");break
case 'b':
{switch(c2)
{case'+':printf("90");break;
case'-':printf("85");)break
}break;
}
}
当输入"b,-"时,程序的输出结果是
A.100
B.90
C.85
D.不确定
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)