Select the sentence that uses active voice.

Question

The needy cat is fed by Celia.
The back of the couch was scratched up by the cat.
Just before dawn, the cat wakes up and cries out to be fed.
The can of fishy-smelling food is eaten greedily by the cat.

Answer 1

Identify the subject; then ask yourself if the subject is DOING the action of the verb.
EX: Is the cat feeding someone? Of course not, so this sentence uses passive voice, not active.