Which of the Following Statements Is Not Correct

Which of the following statements is not correct?

A) The amount of social security tax withheld depends on an employee's gross earnings,marital status,and number of withholding allowances.
B) Federal law requires that social security,Medicare,and federal income taxes be deducted from the gross pay of most employees.
C) Medicare taxes are levied in an equal amount on both employers and employees.
D) Once an employee's year-to-date wages reach a certain amount prescribed by law,social security tax is no longer withheld.