Yes it is becase a Metaphor is The use of a word or phrase to refer to something that it is not, invoking a direct similarity between the word or phrase used and the thing described (but in the case of English without the words like or as, which would imply a simile); the word or phrase used in this way; an implied comparison.
 
        
                    
             
        
        
        
If there is a selection of answers I would go with
Repetition
Parallelism
maybe some others but I don't know all the poetic devices you have to chose from  
 
        
             
        
        
        
Answer:
I think that the answer would be A Cause and effect 
Explanation: Because it tells you people could not afford to spend money and then they use the word "Therefore" which is a transition word also meaning so or because. Then it also gives a reason to the cause as well.
 
        
             
        
        
        
Answer:
As aerodynamics improve, gas mileage improves--since an aerodynamic car encounters less wind resistance.
Explanation:
i took the test