Final answer:
The three rioters' fate could have been avoided by not searching for Death, as their greed and betrayal are what led to their demise in the allegorical tale likely referenced in the question.
Step-by-step explanation:
The student's question refers to a tale in which three rioters meet their fate due to their actions. The scenario presented is not directly related to real historical events or the provided reference information, but rather it seems to be a question about a literary piece, possibly The Pardoner's Tale from The Canterbury Tales, in which three rioters set out to find and kill Death. In this allegorical story, their immediate fate could have been avoided if option (c) They didn't search for Death. By seeking out Death, they initiate a chain of greed and betrayal that leads to their demise. Each rioter plotted against the others for personal gain, revealing the moral of the story: greed is the root of all evil.
In the tale, staying at home, wearing masks, or being more polite wouldn't have changed their fate since their downfall was a direct consequence of their greed and the decision to pursue Death. The ironic twist is that they find death in a completely different form than expected through their own wicked intentions and actions towards each other.