Answer:
Subjective information or writing is based on personal opinions, interpretations, points of view, emotions and judgment. It is often considered ill-suited for scenarios like news reporting or decision making in business or politics. Objective information or analysis is fact-based, measurable and observable.
explaining why or how about your topic or saying goodbye to everybody I hope to see you soon.
The topic that could be used to write a narrative using supporting details from the excerpt is, Victor's experience studying a new science. A narrative is like telling a story of happenings that follow a time sequence. It is usually based on personal experiences and usually written by the narrator himself.
C. He mentions knives to describe how the cold wind feels.
Out of all of these, I would say this answer provides the most detailed descriptions/sensory details. It also makes use of metaphors to give more depth.
Hope this helps :)