C is the answer. When will the winter end?
Well saying dunno is an error in formal/academic writing. In academic writing you would have to write, i do not know, though.
personal fulfillment, work/life balance, goal achievement, and financial security.
(What I think is the) answer:
How someone talks of something through their perspective.
Explanation:
With a colleague (workplace mate) you'd talk from a professional standpoint but if you were to talk with a friend you'd speak more casually about stuff.