Answer:
Most usually think of the money, but what should really be thought of is if the career would make you happy. Would you enjoy doing it? Is it something you love to do? Would this be something you love doing to the point where you'd do it everyday without being payed?
Writing in third person means you have to talk about everyone, not just one character, using they, she, he, all, basically you don't have one point of view, you have the general point of view of everyone
C. Repellent, almost revolting
It's a restrictive clause. All restrictive clause can't be in between a punctuation (i.e: a comma) and it will always have a pronoun "THAT".