单项选择题

有以下说明和定义语句
struct student
int age;char num[8];
struct student stu[3]=20,"200401",21,"200402",19,"200403";
struct student *p=stu;;
以下选项中引用结构体变量成员的表达式错误的是

A.(p++)->num
B.p->num
C.(*p).num
D.stu[3].age