The correct answer is A. Social injustice by the rich toward the poor
Charles Dickens (1812-1870) was a famous English writer and author or literary works such as Oliver Twist, A Tale of Two Cities and A Christmas Carol that are famous still today. Additionally, as a writer Dickens stood out for this social critics, indeed in most of the literature of Dickens, he created characters and plots that criticizes the difference between social classes and especially the way poor people were unjustly treated by the high social classes or the rich people. This is the case of his famous novel A Christmas Carol in which the main character is Ebenezer Scrooge an old rich man who has been cruel to others and needs to face his action during the story. Therefore, the aspect Charles Dickens often criticized was the Social injustice by the rich toward the poor.