Hey there! 
It’s c 
Quitándose 
Tus hermanos y tú estáis quitándose los zapatos
        
             
        
        
        
The definite article and noun agreement should be CORRECT
        
                    
             
        
        
        
The answer is true. 
Costa Rica has many reserves and national parks that protect the country's wilderness and wildlife.
        
                    
             
        
        
        
Answer:
Ustedes quieren venir al cine.
Yo quiero poner mantequilla en las palomitas.
Explanation:
The word quieren means they want. The questions says You all want to go to the movies. 
The word quiero means I want. The sentence says I want to put butter on my popcorn.