The little girl ______ the tail of his brother’s coat the moment she saw he would hurry away without her.

A．held on to

B．held down

C．held out on

D．held back

有以下程序：
main()
int i, s=0, t[]=1, 2, 3, 4, 5, 6, 7, 8, 9;
for(i=0; i＜9; i+=2)s+=*(t+i); printf("%d\n", s);
程序执行后的输出结果是( )。

A．45

B．20

C．25

D．36