以下各项用于定义结构体类型,并定义结构体变量,正确的是().
A、struct student { char num[5]; int score; }; student stu1,stu2;
B、struct student stu1,stu2; struct student { char num[5]; int score; };
C、struct student { char num[5]; int score=96; }; struct student stu1,stu2;
D、struct student { char num[5]; int score; }; struct student stu1,stu2;