The thief entered my room and at that very moment I woke up. (it Complex)

• ক After the thief enteres my room, I woke up.
• খ As soon as the thief entered my room, I woke up. ✅ সঠিক উত্তর
• গ If the thief entered my room, I woke up.
• ঘ When the thief enter my room, I woke up.