Concept:Elijah set up the contest to prove that the LORD alone is the true God, using fire from heaven as the decisive evidence.
Explanation:In 1 Kings 18, Elijah challenged the prophets of Baal to prepare a sacrifice and call on their god.
He himself would call on the LORD.
The condition was: "The God who answers by fire, He is God."
The prophets of Baal prayed, but no fire came.
Then Elijah prayed, and the LORD sent fire from heaven to consume the offering.
Thus, the contest was meant to show that the true God answers by fire.
Answer:C. show that God answers by fire