Final answer:
The question pertains to the conclusion of a story about a stolen wallet, in which it is revealed that the man had simply misplaced it in his office.
Step-by-step explanation:
At the end of the legend of the stolen wallet, the man realized D. He had misplaced it in his office. The excerpts provided as reference do not directly confirm any of the mentioned choices. However, they illustrate different scenarios involving a misplaced object or consideration of whether an item was stolen. The closest scenario that matches the question's context is that of a man who, after various considerations and implied deliberations concerning a lost item, concludes that there's been a mistake - much like one concluding they had simply misplaced an item rather than it being stolen.