Select the correct passive form of the given sentence.

At the last moment, a fireman pulled out Manohar from the burning bus.

At the last moment, Manohar was pulled out of the burning bus by a fireman.

The correct passive form of the given sentence "At the last moment, a fireman pulled out Manohar from the burning bus" is At the last moment, Manohar was pulled out of the burning bus by a fireman.

The other options are incorrect because:

• At the last moment, Manohar was pulling out of the burning bus by a fireman uses the present progressive tense, which is not typically used for actions that happen once.
• At the last moment, Manohar had been pulled out of the burning bus by a fireman uses the past perfect tense, which is not typically used for actions that happen once.
• At the last moment, a fireman was pulled out of the burning bus by Manohar is grammatically incorrect. The subject of the sentence is "a fireman," but the verb "pulled" is in the active voice, which means that the subject is doing the action.