Using the enumeration type in C#$,$ what will the output be for the following segment of code:

public enum Season

$\{$

Spring,

Summer,

Autumn,

Winter

$\}$

public class EnumConversionExample

$\{$

public static void Main$()$

$\{$

Season a $=$ Season.Autumn;

Console.WriteLine$($$"Integral value of $\{$a$\}$ is $\{($int$)$a$\}")$;

var b $=($Season$)1$;

Console.WriteLine$($b$)$;

var c $=($Season$)4$;

Console.WriteLine$($c$)$;

$\}$

$\}$

Select one:

a$.$

Integral value of Autumn is $2$

Summer

$4$

b$.$

Integral value of Autumn is $2$

$1$

$4$

c$.$

Integral value of Autumn is $3$

Summer

$4$

d$.$

Integral value of Autumn is $3$

Summer

$3$