根据下面的定义，能打印出字母M的语句是____A) printf("%c\n",class3].name); D) printf("%c\n",class2].name0]);B) printf("%c\n",class3].name1]); C) printf("%c\n",class2].name1]);struct person { char name9]; int age;};struct person class10]={"John",17, "Paul",19, "Mary",18, "Adam",16};
选项：

A:A
B:B
C:C
D:D