Point out the error (if any) in the following C code?

[answerhappygod]

#include<stdio.h>
enum hello
{
a,b,c;
};
main()
{
enum hello m;
printf("%d",m);
}
a) No error
b) Error in the statement: a,b,c;
c) Error in the statement: enum hello m;
d) Error in the statement: printf(“%d”,m);