It is the character of Joey in object lesson part 2 best creates readers uncertainty
Step-by-step explanation:
The excerpt that causes uncertainty among the readers' uncertainty is "If Joey is guilty, it should fit exactly. Does it?"
In this excerpt the narrator tries to explain that if Joey (the main character) is guilty of making a mistake, then he should be guilty for his mistake.
The reason the character of joey creates uncertainty among its reader is because , the readers don't know what mistake did Joey commit and why he was being held responsible for the mistake.
Thus we can say that this line has caused uncertainty among readers.
So it is right to say that It is the character of Joey in object lesson part 2 best creates readers uncertainty