Topic sentence: In his short story “To Build a Fire,” Jack London presents the Yukon as a harsh and unforgiving setting for prospectors looking for gold. Which detail from the text best illustrates the point made in the topic sentence?

The man’s journey begins at nine in the morning.
The man does not come in contact with any other people.
The man’s journey is complicated when he falls into a hidden spring.
The man travels with a husky, the type of dog most gold rushers used.