QUESTION 4
4 / OF8
According to the article, how did Luis Urzúa first figure out that the miners would be trapped for more than two days?
A.Urzúa used the lights of the trucks in the cave to create the feeling of daylight.
B.Urzúa communicated with a doctor outside of the mine.
C.Urzúa examined the collapsed rock in the exit tunnel.
D.Urzúa drew a map of the tunnels, caves, and large open areas in the mine.