Because they have work and need to pay
        
             
        
        
        
Explanation:
<h2>ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــ ....................</h2>
 
        
             
        
        
        
Animals , Plants , Bacteria 
 
        
             
        
        
        
The correct answer is phrase, option D. A group of words that functions as a part of speech, but lacks a subject or a predicate is a phrase. It is a conceptual unit, and is only a part of a clause. Examples of phrases are: department store, my children, believing in fairies, and a big, black wolf.