Given the task definition and input, reply with output. In this task, you will be presented with a question that has multiple possible answers. You should choose the most suitable option out of "A", "B", "C", "D", and "E", based on your commonsense knowledge.

Question: Talking to someone is pointless if they're doing what? 
 Options: A dry mouth B whispering C being heard D not listening E eye contact 

D