设一个结构体类型定义及变量定义如下,假如对结构体变量stu的姓名进行赋值,下面正确的赋值语句是() struct student { long stuID; char stuName[10]; char stuSex; char birthYear; int mathScore; } stu;
A.stu.stuName = "xiaoming"
B.stu.stuName[10] = "xiaoming"
C.stuName = "xiaoming"
D.strcpy(stu.stuName,"xiaoming")