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 .

Based on the preceding passage, choose your answer for question What were they kicking at ?
Pick your answer from:
[I] A raccoon ..
[II] None of the above choices ..
[III] A rat ..
[IV] A mouse ..
The answer is:
[IV]