দুর্ঘটনাটা ঘটার পর লোকজন সচেতন হয়েছিল। (into English.)

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