Which answer matches this clue: the octagonal baptistery facing Florence's cathedral with Ghiberti's gilded bronze doors?

• A Florence Baptistery ✓
• B Siena Baptistery
• C Pisa Baptistery
• D Parma Baptistery

The Florence Baptistery's east doors, dubbed the Gates of Paradise by Michelangelo, took Ghiberti 27 years to complete.