Which sentence correctly asks, ‘Did you open the door?’

Past-Tense Verbal Questions

• أَفَتَحْتَ الْبَابَ؟
• فَتَحْتَ أَ الْبَابَ؟
• فَتَحْتَ الْبَابَ أَ؟
• الْبَابَ أَفَتَحْتَ؟