Which of the Following Uses Only Active Voice in a Complete

Multiple Choice

Which of the following uses only active voice in a complete sentence?

A) The company's rigid return policy was criticized by a few unhappy customers.
B) Because a few unhappy customers criticized the company's rigid return policy.
C) Managers were told about the unhappy customers who criticized the company's rigid return policy.
D) A few unhappy customers criticized the company's rigid return policy.