Analyze the map below and answer the question that follows. A topographic map of Northwestern Russia. Areas on the map are circled and labeled 1, 2, 3, and 4. 1 is a mountain range. 2 is a flat area. 3 is a highland area. 4 is a plateau.
Image by Natural Earth

The region labeled with the number 4 on the map above is best known for being what type of landform?
A.
a plain
B.
an isthmus
C.
highlands
D.
a plateau

Please select the best answer from the choices provided
A
B
C
D