In Which of the Following May Men and Women Be

In which of the following may men and women be paid different wages under the Equal Pay Act?

A) When payment is made pursuant to a seniority system.
B) When payment is made pursuant to a merit system.
C) When payment is made pursuant to a system which measures earnings by quantity or quality of production.
D) When payment is made pursuant to a seniority system, when payment is made pursuant to a merit system, and when payment is made pursuant to a system which measures earnings by quantity or quality of production.
E) When payment is made pursuant to a seniority system or when payment is made pursuant to a merit system, but not when payment is made pursuant to a system which measures earnings by quantity or quality of production.