Which detail from "To Build a Fire" best supports the idea that the real Yukon prospectors tried to prepare themselves for the cold weather?

The old-timer’s warning shows that experienced prospectors planned for the dangers of extreme cold by advising travelers not to go alone when temperatures fell below fifty degrees. Traveling with someone else could help if a person became injured or unable to continue. The detail about the man’s frozen socks and moccasin strings in choice B shows the cold’s effects, not how prospectors prepared for it.

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