Answer:
I think it is C:  It leads to Algernon withdrawing his marriage proposal.
Explanation:
 
        
             
        
        
        
Fought is the past tense and past participle of fight.
        
             
        
        
        
Answer:
i would be able to time travel
Explanation:
because then i could go back and fix all my mistakes
 
        
             
        
        
        
Answer: I think the author wanted to explain what dogs can and can't do. 
Explanation:
I think this because the paragraph talks about how dogs can be so smart and then all of a sudden be chasing a tail that they're never going to catch for an hour.