9.
(4分)下面程序的运行结果是( )#includemain(){int i,b,k=0;for(i=1;i<=5;i++){b=i%2;while(b-->=0) k++;}printf(.%d,%d.,k,b);}

A. 3,-1
B. 8,-1
C. 3,0
D. 8,-2