单项选择题

有以下程序,程序的输出结果是 void fun(double*p1,double*p2,double*s) {s=(double*)calloc(1,sizeof(double)); *s=*p1+*(p2+1):} main(){double a[2]={1.1,2.2},b[2]={10.0,20.0},*s=a; fun(a,b,s); printf("%5.2f\n",*s);}

A.1.10
B.11.10
C.12.10
D.21.10