Which legendary Turkish singer-songwriter, often called the 'diva of Turkish pop,' mentored many younger artists, including Tarkan?

• A Sezen Aksu ✓
• B Ajda Pekkan
• C Nilüfer
• D Bülent Ersoy

Sezen Aksu, sometimes called Turkey's 'Queen of Pop,' has written and produced for generations of Turkish singers since the 1970s.