Where was the 1942 Italian drama film 'Headlights in the Fog' made?

A. Cinecittà Studios in Rome and on location in Campania and Apulia
B. Venezia Studios in Venice and on location in Lombardy and Emilia-Romagna
C. Palatino Studios in Rome and on location in Piedmont and Liguria
D. Palatino Studios in Milan and on location in Tuscany and Veneto
Answer: 