单选题：设有以下程序段

设有以下程序段

struct person

{
float weight;

char sex;

char name[10];

} rec, *ptr;
ptr = &rec;

从键盘读入字符串给结构体变量rec的name成员，错误的输入语句是


@[A](2)

A. scanf("%s", rec->name);
B. scanf("%s", rec.name);
C. scanf("%s", (*ptr).name);
D. scanf("%s", ptr->name);




A.scanf("%s", rec->name);
B.scanf("%s", rec.name);
C. scanf("%s", (*ptr).name);
D.scanf("%s", ptr->name);



答案：A