Final answer:
Based on the author's understanding tone towards the student's performance, the author feels sympathetic towards the student.
Step-by-step explanation:
The question asks about the author's feelings towards the student he is interviewing. To determine the author's stance, we need to analyze the tone and language used in the passage. Based on the options provided, we can eliminate options A and C as they state that the author is indifferent or displeased. Option B suggests that the author is enthusiastic, which can be supported by positive remarks about the student's achievements. However, option D, which suggests that the author is sympathetic, is a more accurate characterization. The author's understanding tone towards the student's performance indicates a sympathetic attitude.