Who laughs at you?

By whom are you laughed at?

By whom are you being laughed at?

By whom were you laughed at?

All of the above

None of the above

Who laughs at you is an interrogative sentence of Present Indefinite Tense.

Who laughs at you means آپ پر کون ہنستا ہے؟

Present Indefinite Tense

Active Voice: Subject + Verb + Object

Passive Voice: Object + is/am/are+ third form of a verb + by + subject.