Identify the Expression in Which the Initial Value of the Day

Multiple Choice

Identify the expression in which the initial value of the day variable will be set to match the first day of the calendar month.

A) ​var day = Date(calDate() ,calDate.getDay() ,1) ;
B) ​var day = new Day(calDate.getDD() ,calDate.getMM() ,calDate.getYY() ,1) ;
C) ​var day = new Day(calDay.getFullMonth() ,calDay.getDate() ,1) ;
D) ​var day = new Date(calDate.getFullYear() ,calDate.getMonth() ,1) ;