Understanding and application

Which is the correct grammatical reading of حُجِبَتِ النَّارُ?

Poverty, Responsible Speech, People's Rights, and Self-Discipline (Hadith 115–120)

• Active past verb with al-nār as object
• Present verb with al-nār as subject
• Imperative with al-nār as vocative
• Passive past verb with al-nār as passive subject