Now while I'm not to sure as to what question means exactly means, and I'm sorry if I'm wrong but, if it means what I think it means then,
The speaker was thinking if the age-old question as to whether the world will end in fire or in ice, and this is very similar to another age-old question: whether it would be preferable to freeze to death or burn to death. The speaker determines as well
I really hope this helps. if it does, please mark as brainliest :)