You are correct in assuming that the answer is A. He is being thorough in running more tests.
        
             
        
        
        
<span>(D) the loudest musical instruments is made up of a complete subject.</span>
        
                    
             
        
        
        
Answer:
A. Starting October 1, your marketing representative will be Shyla Plummer.
Explanation:
The como behind October 1,
Hope this was helpful
 
        
                    
             
        
        
        
I would have to say possibly sorrowful.