Answer:
The correct answer is option D.
Step-by-step explanation:
Because of the way Morris behaves, it generates curiosity in the reader to know what has happened to him.
With the phrase "He put down the empty glass, and sighing softly, shook it again" , it looks like he is remembering something not so pleasant. And the fact he doesn't want to give many explanations about it, leaves a greater doubt in the reader.
The, the question the reader would ask to gain understanding from that conversation is "Where has Morris been in India to make him not want to go back?"