Who is likely to be the main character in a memoir (the protagonist)?
a = a fictional character who struggles against some problems
b = an all-knowing narrator
c = the author of the narrator
d = the main enemy of the memoirs author

A. a fictional character who struggles against some problems

Explanation:

A memoir is an account of a particular memory in someone's life. The protagonist is usually a narrator who is fictional, however it is not the actual author. This would make the answer choice C. invalid. The character usually has an inner struggle that they overcome during the memoir.

C= The author of the narrator.

Explanation:

A memoir is a written account of somebody´s life. The author writes about moments or events that took place in their life and the information gave is usually factual.

It differs from the autobiographies in which the author is also the main character because on them it is written the entire life of the person.

I hope this answer helps you.

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).