A. Individual differences should be embraced and celebrated. The reason the elders took away pain, birthdays, and love is so every one would be the same.
        
                    
             
        
        
        
Answer: A.
Explaniton:
Although you might not want to speak publicly about your project, if you do good enough you'll be rewarded! We aren't rewarded when actually speaking with people, but its good to know you did well because that'll make you more confident to talk to others just the same way.
 
        
                    
             
        
        
        
There is only one answer but what is the answer.
        
             
        
        
        
The sentence would be "Over the years, the research group has seen that humpback whales often live and hunt together for years"