Answer:
The answer would be "B" 
Explanation:
B: the doctor realizes what the illness is and treats it.
 
        
             
        
        
        
Answer:
The answer for the first one is A
Explanation:
You can not expect people to do all the work for you, If you comment what other 2 you need help with, i will answer 2 more. The rest you can do yourself or ask a teacher or parent. 
 
        
                    
             
        
        
        
I believe there is only one comma in between limping and exhausted