I would say Carl should create a type of business report called a business proposal. 
Sending a resume would make sense too though. 
Doing nothing makes no sense, so that option is obviously out!
Leaving a long voicemail would be a very poor choice, so definitely not that either!
        
                    
             
        
        
        
Answer:
C. have been walking
Explanation:
A is talking in past tense and B also has a past tense vibe.
 
        
             
        
        
        
Answer:
i think u posted only half the question or sum bc that make sense but heres what got
   Explanation:
In general, the tone of a piece only refers to attitude of the author if writing is non-literary in nature. In many cases, the tone of a work may change and shift as the speaker or narrator's perspective on a particular subject alters throughout the piece.
 
        
             
        
        
        
Answer:
1. Hit it off (made it work)
2. Catch up (find out what someone has been doing) 
3. Pick on (Make fun of, bully, abuse, mock)