I don’t know sorry about that
B fits well in the sentence because 'interrogative' links to asking questions, and generally inquiring for more details.
The A because visited is a action verb
Answer:
The man is externally motivated by the need to dry his feet.
Explanation:
According to the excerpt from "To Build a Fire.”, the man needs to dry out his foot-gear and he can only do that by building a fire which would take about an hour because the circulation of his blood was not functioning optimally.
The motivation of the character in the excerpt is the need to dry his feet