Point out the error in the program #include<stdio.h> int f(int a) { a > 20? return(10): return(20); } int main() { int f(int); int b; b = f(20); printf("%d n", b); return 0; }

• A. Error: Prototype declaration
• B. No error
• C. Error: return statement cannot be used with conditional operators
• D. None of above