单项选择题

以下选项中能正确把c1定义成结构体变量的是( )。

A.typedef struct
int red;
int red;
int green;
int blue;
COLOR;
COLOR c1;
B.struct color c1
int red
int red;
int green
int blue;

C.stmctcolor
int red,
int green;   
int blue;
c1;
D.struct
int red;
  int green;
int blue;
c1;