Is the verb in the sentence in the active voice or the passive voice?

My cat is startled by most loud noises.

A. active voice

B. passive voice

Please help and Please explain why it is either a Passive Or Active Voice.

Question

Is the verb in the sentence in the active voice or the passive voice? 

My cat is startled by most loud noises.

 A. active voice
 
 B. passive voice

Please help and Please explain why it is either a Passive Or  Active Voice.

conqueror · Answer

Active voice.

conqueror · Answer

This is kind of hard to explain...but I just know that Active Voice is the answer...

conqueror · Answer

It doesn't really show any sign of being passive voice.

indiiavery · Answer

Okay, Thank you. Do you mind helping me with my other Questions?

constanceleak · Answer

The answer is passive voice. You can tell when you have "by" in the sentence. You can use the zombie trick by plugging in by zombies like " My cat is startled by zombies." If the sentence doesn't sound right with by zombies, it's active voice.

conqueror · Answer

Zombies ? lol

constanceleak · Answer

well, it does help lol