Answer:
C. The author uses indirect characterization to reveal the man's attitude,
Explanation:
Indirect characterization is the type of characterization where features of a character is not directly revealed by the narrator but readers infer what the character is like through his words, thoughts, or feelings.
Therefore, the technique that the author uses to characterize the man is the use of indirect characterization to reveal the man's attitude
The short story "The Story Of An Hour", by Kate Chopin, uses realism as a literary style. This means that it was presented "as is" and focuses on imagery, accurate representation of the setting, and the character itself. One realistic element is how Mrs. Louise Mallard is being treated by those around her - in that time period, it was common for women to be seen as fragile, "Knowing that Mrs. Mallard was afflicted with a heart trouble, great care was taken to break to her as gently as possible the news of her husband's death".