This would be a mentor-D. They role is to mentor or guide you with advice or assistance. A role model is a similar answer in that they respect you, but they might not offer advice or assistance which makes it incorrect.
        
             
        
        
        
Answer:
C is the answer to this question.
 
        
                    
             
        
        
        
Answer:
A) ALU
Explanation:
The arithmetic logic unit (ALU) performs the arithmetic and logical functions that are the work of the computer.
So, the correct option is - A) ALU