B. The benefit lost when choosing between 2 options
        
             
        
        
        
Research is a scientific investigation which follows a procedure of observing, hypothesizing, testing, analysing and presenting the data.Variables are contained in every research because they serve as the objects to be observed or the result of those observationsWe appreciate your questions. Please, never hesitate to ask more in Brainly your queries. 
        
             
        
        
        
Ur answer is d !!! Good luck
        
             
        
        
        
Answer: I believe your answer would be “d” adults
        
                    
             
        
        
        
Answer:
 I thik it is c 
Explanation:
Because an autobio is about urself and should show importiant moments or ur whole life in one story