Which sentence is punctuated correctly?

A. Mississippi the Magnolia State, is known for its delicious food.
B. Mississippi, the Magnolia State is known for its delicious food.
C. Mississippi, the Magnolia State, is known for its delicious food.
D. Mississippi the Magnolia State is known for its delicious, food.

C. Mississippi, the Magnolia State, is known for its delicious food.