C
I had this question before, I also struggled a lot but I got it correct 
        
             
        
        
        
Answer:Perhaps the mysterious Martian methane, and its strange fluctuations, are part of that story
Explanation: I hope this will helps you
 
        
             
        
        
        
Answer: They enhance having a more dramatic tone to the text. They all have a sense of pain or death. They all have the letter "E" in them. 
 
        
                    
             
        
        
        
Answer:
A "Community groups that use library spaces for meetings, presentations, fundraisers, and outreach programs would also be affected by library budget cuts."
Explanation:
It took the test.