若有以下定义,则对变量student1中“生日”的正确赋值方式是()。 struct student { int num; char name[20], sex; struct { int year, month, day; } birthday; } ; struct student student1;A.student1.birthday.year = 2003; student1.birthday.month = 5; student1.birthday.day = 1;#B.year = 2003; month = 5; day = 1;#C.birthday.year = 2003; birthday.month = 5; birthday.day = 1;#D.student1.year = 2003; student1.month = 5; student1.day = 1;

若有以下定义,则对变量student1中“生日”的正确赋值方式是()。 struct student { int num; char name[20], sex; struct { int year, month, day; } birthday; } ; struct student student1;

A.student1.birthday.year = 2003; student1.birthday.month = 5; student1.birthday.day = 1;#B.year = 2003; month = 5; day = 1;#C.birthday.year = 2003; birthday.month = 5; birthday.day = 1;#D.student1.year = 2003; student1.month = 5; student1.day = 1;
参考答案和解析
ABC

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