a little money from her pocket money, Alice was able to buy her mother a lovely scarf.

A．To save

B．Saving

C．Saved

D．Having saved

有以下程序：
struct s
int x,y; data[2]=10,100,20,200;
main()
struct s *p=data;
printf("%d\n",(++p)-＞x);

程序运行后输出的结果是( )

A．10
B．11
C．20
D．21