单选题：According to the following definition of function `fun` ,

According to the following definition of function `fun` ,
```
void fun(int n, double x) { …… } ```
which one is the** correct** calling of the function fun ?
@[C](1)

A. fun(int y,double m);
B. k=fun(10,12.5);
C. fun(x, n);
D. void fun(n,x);



A.fun(int y,double m);
B.k=fun(10,12.5);
C.fun(x, n);
D.void fun(n,x);


答案：C