关于struct描述正确的是

A.year=1995;month=11;day=12;

B.stu.year=1995;stu.month=11;stu.day=12;

C.birthday.year=1995;birthday.month=11;birthday.day=12;

D.stu.birthday.year=1995;stu.birthday.month=11;stu.birthday.day=12;

A.year=1984;month=11;day=11;

B.birth.year=1984; birth.month=11; birth.day=11

C.s.year=1984;s.month=11;s.day=11

D.s.birth.year=1984;s.birth.month=11; s.birth.day=11;

A.struct student {int num; char name[10];int age;};stu;

B.struct {int num; char name[10];int age;}student; struct student stu;

C.struct student {int num; char name[10];int age;}stu;

D.struct student {int num; char name[10]; int age;}; student stu;

A.struct abc { double a; char b[10]; } s;

B.struct { double a; char b[10]; } s;

C.struct ABC { double a; char b[10]; }; struct ABC s;

D.struct s { double a; char b[10]; };

A.#define STUDENT struct student STUDENT {int num; float age; }std1;

B.struct student {int num; float age; }std1;

C.struct {int num; float age; }std1;

D.struct int num; float age; }student; struct student std1;

A.struct aa{int a; int *b;};

B.struct bb{int a; bb *b;};

C.struct cc{int *a; cc b;} ;

D.struct dd{int *a; aa b;};

A.struct color cl { int red; int green; int blue; }

B.typedef struct { int red; int green; int blue; } COLOR; COLOR cl;

C.struct color { int red; int green; int blue; } cl;

D.struct { int red; int green; int blue; } cl;

A.typedef struct aa { int n; float m; }AA; AA tdl;

B.#define AA struct aa AA { int n; float m; } tdl;

C.struct aa { int n; float m; }; struct aa tdl;

D.struct { int n; float m; }tdl;

A.typedef struct { int red; int green; int blue; } COLOR; COLOR cl;

B.struct color cl { int red; int green; int blue; };

C.struct color { int red; int green; int blue; }cl;

D.struct { int red; int green; int blue; } cl;

A.struct{ int num; float age; }student; struct student std1;

B.#define STUDENT struct student STUDENT{ int num; float age; }std1;

C.int num; float age; }std1;

D.struct{ int num; float age; }std1;