In jasper johns's painting summer, he incorporates which famous painting?

Its imagery combines fragmented references to the artist's past work and his life, including a tracing of his shadow. Johns has said, "In my early work I tried to hide my personality, my psychological state, my emotions, but eventually it seemed like a losing battle. Finally one must simply drop the reserve."

Ithink that the answer is c

Comma should appear after  the quote,