单项选择题

下列语句段中，正确的是( )。
A) street
int x;
float y;
int a[2];
unsigned b[3];
char name[ 10];
;
B) struct stu
unsigned a[3];
unsigned b[4];
x;
int *p=& x.a;
C) stmct stu
int a;
float x[4];
y=1,1.0;
float data=y.x;
D) struct nd
int a,b;
unsigned c[2]=5;
;