On the bus, all the people except the driver ______ to talk and laugh during the journey. 

A．encouraged

B．were encouraging

C．were encouraged

D．was encouraged

执行下面程序段时输出suet，请填空。
main()
static char a[]="student";
char *p;
for(p=a;p＜ 【8】 ；p+=2)
putchar(*p);