all the other answers are irrelevant so the answer would have to be d.
Man versus nature is the most commonly discussed subject in To Build a Fire. In this story, the main character is trying to survive despite the hardships he experiences in nature.
A well-organised essay will have a clear definite structure. The organisation is dependent on clear and decisive decisions. The best option out of all the choices appears to be D.
Simply put, students with good study habits achieve better grades and are more successful in their classes.