Which of the Following Statements Is Correct

Which of the following statements is correct?

A) Form 941 is often referred to as a withholding statement.
B) An employee must attach one copy of Form W-2 to his or her personal federal income tax return.
C) The employer sends one copy of the Form 941 for each employee to the Internal Revenue Service.
D) An employee must attach one copy of Form W-4 to his or her personal federal income tax return.