Answer:
A or C
Explanation:
If you go back into the text, it will say the exact answer
At this the narrator becomes angry at the bird and suggests that it may be a visitor sent from the devil. This is what he means when he says, "Whether Tempter sent." He believes the bird to be a prophet, thing of evil, bird, or devil--some agent sent by Satan to cause him further torment.
The solution for -5/6 divided by 9/10 is 1/108.