The answer is A: as objectively as possible.
Realism in the arts is a tendency that has been present in them in almost all the periods of culture. However, in literature, it is widely accepted that an art form, all of its own, was born at around the middle of the 19th century —with artists like Stendhal— and lasting all the way through the beginning of the 20th century —with artists such as Benito Pérez Galdós.
It is a literary movement that is characterized by the author´s efforts to depict reality as objectively as possible, aiming at portraying everyday life and common quotidian activities (often those of the middle or lower classes) without romantic idealization of dramatization.
A. The harder you try, the farther you’ll get in life
a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause, as in “the man on the platform,” “she arrived after dinner,” “what did you do it for ?”.
If you are able to tell me what you want the answer to, I'm sure I can help you.
The narrator is in a garden during the war