Which of the Following Is True

Which of the following is true?

A) Pay differences due to seniority differences and differences in amounts earned under a commission pay plan are not acceptable if they result in different pay for male and female employees.
B) The Age Discrimination in Employment Act protects all workers against being discriminated against because they are thought to be too old.
C) Under the Americans with Disabilities Act,an employer is required to provide reasonable accommodations to enable a disabled person to perform a job.
D) Protected classes under Title VII of the Civil Rights Act of 1964 include race,national origin,and sexual preference.