Which answer matches this clue: the 2015 world exposition held in Milan with the theme Feeding the Planet, Energy for Life?

• A Expo 2015 ✓
• B Expo 1992
• C Expo 2000
• D Giubileo 2000

Expo 2015 drew over 21 million visitors; its legacy includes the vertical forest skyscraper district and a redesigned waterway system.