The answer is: Except for A) Researching the background of the author.
It is not necessary for you to know the background of the author for you to comprehend a memoir.
It would seem to be C because he choose that field and since it’s unionized he is having a hard time finding a open spot
B. abyss
Definition: a deep or seemingly bottomless chasm.
The best and most correct answer among the choices provided by the question is the first choice. Steffen wants to stop using fossil fuels because t<span>here are large quantities of renewable fuels available today. </span><span>I hope my answer has come to your help. God bless and have a nice day ahead!</span>