It puzzled K., at least it puzzled him looking at it from the policemen's point of view, that they had made him go into the room and left him alone there, where he had ten different ways of killing himself. At the same time, though, he asked himself, this time looking at it from his own point of view, what reason he could have to do so. Because those two were sitting there in the next room and had taken his breakfast, perhaps?
K. found himself in a perplexing situation as he considered the actions of the policemen. They had placed him alone in a room where he could easily harm himself, which seemed illogical to him. His thoughts shifted as he reflected on his own feelings, questioning the underlying reasons that might lead him to consider such drastic measures.
The fact that the two policemen were just in the adjacent room, having taken his breakfast, led him to ponder if their presence was enough to drive him to despair. K. grappled with the complexity of his circumstances, trying to reconcile his own state of mind with the perception of those who were confining him. This internal conflict highlighted the absurdity of his predicament within the overarching theme of alienation in "The Trial."