The correct option is B scenic
The word see means perceive with the eyes; discern visually. The adjective form would mean, something that is providing or relating to views of impressive or beautiful natural scenery
If we look into the options:
Option A: "scene" means the place where an incident in real life or fiction occurs or occurred. It is also a noun form. This is the wrong choice
Option B: "Scenic" means exactly the same as the adjective of see. It is the correct answer.
Option C: "Scenically" on the other hand is an adverb
Option D: "Seen" is a verb, a past participle of see
Option B is the correct answer.