What is the output of the given code?

var =  1
print "1 -- Value is set\n" if var
print "2 -- Value is set\n" unless var
var = false
print "3 -- Value is set\n" unless var

A. case B. while C. for D. if

A. while B. until C. for D. do...while

A. Executes code if condition is true B. Executes code if condition is false C. Breaks out of loop if condition is true D. Executes code only once if condition is true

A. To define a class B. To handle multiple conditions with one expression C. To declare a variable D. To perform mathematical calculations