During which approximate period were Gobekli Tepe's monumental structures erected?

• A 500 BCE to 100 CE
• B 1100 to 1300 CE
• C 9600 to 8200 BCE ✓
• D 2500 to 1800 BCE

UNESCO dates the monumental structures to the Pre-Pottery Neolithic, about 9600-8200 BCE.