Which French dialect, spoken in the Val d'Aoste region of Italy and parts of Switzerland, is often considered a distinct Franco-Provencal language rather than a dialect of French?

• A Occitan
• B Gallo
• C Ch'ti
• D Arpitan ✓

Arpitan was recognised as a distinct Romance language in the 19th century; its name was adopted in 1970s to unify the regional varieties.