The point of view that this is being told is third person limited because it only focuses on one character and uses the pronoun "he"
you can write about going to a river, and how you saw a group of baby turtles, had a picnic, then went star gazing, but if you want me to write an essay, feel free to message me on discord, and i happily will
I would say C. Good luck!
It means the scientific study of sight and the behavior of light, or the properties of transmission and deflection of other forms of radiation