单项选择题
已知学生记录描述为:
struct student
{
int num;
char name[20];
struct
{
int year;
int month;
int day;
}birth;
};
struct student s;
下列对“生日”的正确赋值方式是( )
A.
year=1980; month=6; day=11;
B.
birth.year=1980;birth.month=6;birth.day=11;
C.
s.year=1980; s.month=6; s.day=11;
D.
s.birth.year=1980; s.birth.month=6; s.birth.day=11;
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