有以下程序段：
struct st
int x; int * y; * pt;
int a[] = 1,2 ,b[] = 3,4;
struct st c[2] = 10,a,20,b;
pt=c;
以下选项中表达式的值为11的是( )。

A．return a * =a;
int fun2 ( double x, double y )
double a=0,b=0;
a = fun1 (x) ;b = fun1 (y); return(int) (a +
B．;

&nbs

A．4.3
B．4.8
C．3.3
D．3.8