Which type of narrator does this describe?

this type of narrator has full knowledge of only one character, rather than all the characters. this point-of-view technique follows one character for the duration of the book.
answer choices
a. limited third person
b. omniscient third person

Halle is a calculating, self-centered salesperson. she never engages in relationship marketing. she looks on any sales situation as a "win-lose" situation, and she believes any legal method she can use is justified when she wins. hallie is most likely at the stage of ethical development.