The passive form of the sentence ‘Some children were helping the wounded man’ —

✅ কেন সঠিক: The sentence is past continuous (were helping), so its passive is was/were + being + V3: The wounded man was being helped by some children.

❌ অন্য অপশন: ক drops ‘being’ (simple past); খ reverses the meaning; ঘ changes the tense to a future-in-the-past plan.

💡 মনে রাখুন: Continuous passive: am/is/are/was/were + being + V3.