Definition: 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.
Input: Question: The animals weren't good at swimming, so it was hard for them to do what? 
 Options: A feel pleasure B bathe C listen to each other D pass water E reproduce asexually 

D