Answer:
D
Explanation:
Its probably your best bet all the other ones seem fishy.
 
        
             
        
        
        
Only B and C would be the best choice
        
                    
             
        
        
        
1 - Cropping
2 - Filter
3 - High Resolution
4 - Opaque
Thank you!
        
             
        
        
        
You could turn off memory testing, but defragmentating and running chkdsk on C: would be better to try first.
        
             
        
        
        
I believe the answer is B. Optimization because it means to make work more efficient but I might be wrong. Checking definitions, this one seems more logical.