Final answer:
The W-4 form is a form used by an employee to identify the number of withholding allowances chosen. It informs the employer of how much federal income tax to withhold from the employee's paycheck.
Step-by-step explanation:
The correct answer is option A) W-4 form.
The W-4 form is a form used by an employee to indicate the number of withholding allowances they have chosen. The purpose of the form is to inform the employer of how much federal income tax to withhold from the employee's paycheck. The employee fills out the form and provides it to their employer.