What will be the output of the following program in both C and C++?

#include<stdio.h>
int main(int argc, char const *argv[])
{
	printf("%d\n", (int)sizeof('a'));
	return 0;
}

A. .cpp B. .cc C. .cxx D. .c

A. char B. float C. boolean D. double

A. File output stream B. File input stream C. Standard output stream D. Standard input stream

A. struct B. interface C. class D. object