Select the best thesis
(a) The author has embedded racism throughout the novel with main focus on Tom Robinson's trial.
(b) Throughout the novel the author give a glimpse of racism by the judgment of Boo Radley, Ms. Caroline's treatment of her students, and Tom's mistrial.
(c) Injustice transpires in the story when Tom loses the trial.
(d) There are many representations of racism throughout the novel, which include Tom Robinson's mistrial, Ms. Caroline's treatment of Scout, and Boo Radley's false reputation.