Control Instructions - Programming

Q1:

Point out the error, if any in the program.
#include<stdio.h>
int main()
{
    int a = 10;
    switch(a)
    {
    }
    printf("This is c program.");
	return 0;
}

A Error: No case statement specified

B Error: No default specified

C No Error

D Error: infinite loop occurs

ANS:C - No Error

There can exists a switch statement, which has no case.