Which answer matches this clue: the 1944 reprisal massacre where 335 civilians were executed in caves outside the capital?

• A Marzabotto massacre
• B Fosse Ardeatine massacre ✓
• C Sant'Anna di Stazzema
• D Boves massacre

The Fosse Ardeatine massacre was ordered by the German SS in retaliation for a partisan attack that killed 33 soldiers on Via Rasella.