Which answer matches this clue: the 14-line poetic form perfected by Petrarch, typically rhymed ABBA ABBA CDE CDE?

• A Petrarchan sonnet ✓
• B Villanelle
• C Ottava rima
• D Terza rima

The sonnet was invented by the Sicilian School poet Giacomo da Lentini but Petrarch's Canzoniere made the form famous and gave it its name across Europe.