Answer:
You could use vulgar?
Explanation:
morally crude, undeveloped, or unregenerate
 
        
             
        
        
        
Answer:
no, we cant say "could have HAVE been"
Explanation:
saying double have sounds weird and isn't the right way to talk.
 
        
             
        
        
        
D. Anxious because she was going in front of an audience