根据下面的定义，能输出Mary的语句是（ ）struct person{ char name[9]; int age;};struct person class[5]={"John",17,"Paul",19,"Mary",18,"Adam",16};
选项：

A:printf("%s" ,class[1].name);;
B:printf("%s" ,class[2].name);;
C:printf("%s" ,class[3].name);;
D:printf("%s" ,class[0].name);