Which sentence best uses foreshadowing to create an effect in the excerpt? African Camp Fires
by Stewart Edward White (adapted excerpt)

We struck off as early as possible through the thorn scrub on a compass bearing that we hoped would bring us to a swamp at the head of the Swanee River. The Swanee River was one of the sources of the Tsavo. Of course, this was guesswork we had established. We did not know certainly the location of the swamp, its distance from us, nor what lay between us and it. However, we loaded all our transportable vessels with water, and set forth.