How does the author use Gorstby's intial encounter with the elderly man to develop story's theme?
A. The author conveys Gortsby's private feeling of regret about his judgement of the man.
B. The author reveals to readers that Gortsby's perception of the elderly man was incorrect.
C. The author includes dialogue between Gortsby and the man that conveys Gortsby's attitude toward him.
D. The author uses descriptions such as "drooping air of defiance" to reflect Gortsby's perception of the man.