单项选择题

若有以下程序:# include <iostream>using namespace std;void sub(int x, int y, int *z){ *z = y+x;}int main (){ int a,b, c; sub[8,4.&a) ; sub (6, a, &b) ; sub (a.b, &c) ; cout<<a<<" , "<<b<<", "<<c<<end1; return 0;} 程序运行后的输出结果是

A.12,18,30
B.-12,6,8
C.6,8,10
D.12,-18,16