My answer would be C. Only the words you know the meaning to.
 
        
                    
             
        
        
        
Answer:
It showes confidense in your decisions
Explanation:
 
        
                    
             
        
        
        
Ok. try reading something interesting or smth. Not my problem.
        
             
        
        
        
Answer:
A. has been waiting
Explanation:
"My mother" is the subject then "has been waiting" is the simple predicate