Read the following context and choose the best option to answer the question.
Context: It turned out , though , that the cabin was just OK , not great : you do feel deep in the back country , the stars were amazing , and there was a nice porch , but the accommodation itself was a bit bare bones . We did n't sleep very well , but next morning , after a cappuccino in Mammoth , got on the road to head for May Lake in Yosemite by noon . Stopped for breakfast at Tioga Pass Resort where they make great berry pies .
Question: What caused the narrator to not get great sleep ?
Options: 
A. The bed was sparse .
B. None of the above choices .
C. Someone was snoring .
D. There were animals howling outside .


A