Which of the following words is closest in meaning to “Condominium”?

Condominium means a type of apartment building with individually owned units.

• Correct answer - type of apartment: it has the same meaning as Condominium.
• a government building: an office owned by the state - wrong, it does not mean the same as Condominium.
• deep-sea diving apparatus: equipment for diving deep underwater - wrong, it does not mean the same as Condominium.
• life-supporting environment: a habitat that sustains life - wrong, it does not mean the same as Condominium.