What will be the output of the following C code?#include <stdio.h> #include <ctype.h> int main() { char n = 20; if (isdigit(n)) { printf("Digit n"); } else { printf("Not Digit n"); } return 0; }

• A. 20
• B. Digit
• C. Compilation Error
• D. Not Digit
• E. None of these