In the third-person-limited point of view, the narrator —
a. is all-knowing and enters the minds of all the characters
b. is the main character who tells the story
c. focuses on the thoughts and feelings of one character
d. is the author writing about him- or herself

In the third-person-limited point of view, the narrator C. FOCUSES ON THE THOUGHTS AND FEELINGS OF ONE CHARACTER.

The all-knowing and enters the minds of all the characters depicts the third person omniscient narrator.

First person narrator is the main character who tells the story

Autobiographer is the author writing about him- or herself.

Other points of view aside from third-person-limited, third person omniscient, and first person point of views discussed above are second person and third person points of view.

The answer is constant.