Answer:
C. a clever, humanlike animal who plays a trick on another
Step-by-step explanation:
We can see from the excerpt that Dog is being sneaky with Alligator, luring Alligator in to have dinner together so that the owner can catch Alligator. This does not bode well for Alligator, yet he's still being tricked into doing it.
Here, Dog is the "humanlike animal" who is cleverly trapping Alligator.
Thus, the answer is C.