What is the main idea of this passage about El Dorado?
A. Explorers who searched for El Dorado never realized it was a made-up city.
B. Explorers who searched for El Dorado later learned a new king had found it.
C. Explorers who searched for El Dorado hoped to get there before the Muisca.
D. Explorers who searched for El Dorado found it in what is now Colombia.