Which of the following is true according to this passage？ ______.A．Settlers in the west li

Which of the following is true according to this passage？ ______.

A．Settlers in the west lived on the Joshua tree

B．The Joshua tree was valuable to the native American of the west

C．The native Americans of the west could eat a whole Joshua tree

D．If there hadn't been the Joshua tree, the native Americans would have died out