দুর্ঘটনাটা ঘটার পর লোকজন সচেতন হয়েছিল। (Translate .)

• ক People became aware after the accident had occurred. ✅ সঠিক উত্তর
• খ People has become aware after the accident occurred.
• গ People became aware after the accident had been occurred.
• ঘ People become aware after the accident was occurred.