Which French port city is home to the country's largest commercial port and a major petrochemical complex?

• A Le Havre
• B Marseille (Grand Port Maritime de Marseille) ✓
• C Dunkerque
• D Nantes-Saint-Nazaire

The Grand Port Maritime de Marseille, located at Fos-sur-Mer and Marseille, handles about one-third of French maritime trade.