Read the following context and choose the best option to answer the question.
Context: I could n't do much more than kick at him since the pole was needed to keep the shelter upright . Obviously well rested , I woke at 5 am to high clouds . Yesterday 's lazy habits were behind me however , so I left camp at first light hoping I 'd have tent free of mouse bites to return to .
Question: What were they kicking at ?
Options: 
- A raccoon .
 - None of the above choices .
 - A rat .
 - A mouse .


A mouse .