---Lucy doesn’t mind lending you her dictionary.

---I think she doesn’t, but I ________do so. I’ve already borrowed one.

A．needn’t

B．mustn’t

C．can’t

D．shouldn’t

有以下程序：
intf(int a)
retum a%2;
main()
int s[8]=1,3,5,2,4,6,i,d =0;
for (i=7; f(s[i]);i--)d+=s[i];
printf("%d\n",d);

程序运行后输出的结果是( )。

A．9
B．11
C．19
D．0