Which sentence is written in the active voice? A) The valley was destroyed by wildfire. B) Firefighters worked tirelessly to control the fire. C) Food was taken to displaced families by the Red Cross. D) Property and homes were evaluated by the insurance companies.

I believe the correct answer would be f irefighters worked tirelessly to control the fire. In the sentence, you would see that the firefighters are doing the action of the verb which is worked. It is an indicator whether a sentence is in the active voice or the passive voice.