What is the name of the 500-kilometre-long limestone escarpment in eastern France, separating the Paris Basin from the Rhine plain and known for its vineyards?

• A Massif Central
• B Vosges Mountains
• C Jura Mountains
• D Cote d'Or ✓

The Cote d'Or escarpment in Burgundy produces some of the world's most expensive wines, including Romanee-Conti.