Answer:
A: Hablan
Explanation:
Los estudiantes is plural so you would use the ellos conjugation of the verb hablar, which is hablan. 
 
        
                    
             
        
        
        
Conversations Choose the correct adverbs to complete the conversations. These are the pills that you should take. Remember, there are four pills a day; you should take them ... "Excuse me, doctor, can you talk more? I just listen to this headache." Do you get sick? "I get sick once a year." What did the doctor tell you? "I have to swim for an hour, three times a week because I feel bone pain, swimming is very good for circulation and does not hurt the bones.
 
        
             
        
        
        
Tu estas rn la clase de espanol 
ellas estan en la clase de arte 
nosotros estamos en la clase de ingles 
usted esta en la clase de matematicas 
yo estoy en la clase de tecnologia 
el esta en la clase de ciencias sociales