Answer:
I think d is the right answer
 
        
             
        
        
        
I read this recently but had different questions...b.) 
        
                    
             
        
        
        
The answer is D skim and scan i got it correct 
        
             
        
        
        
The correct sentence is C, because 'driven' is the past participle, part of the present perfect tense. Present participle would be 'driving', it has -ing form, whereas B is not correct because 'helped' is just past, not a past participle.