When Cabeza de Vaca and his men find themselves within sight of "a hundred Indian archers", what does he decide to have his men do?
a) They hide in the brush along the path and ambush the Indians on their way to the village
b) They back up as quietly as possible and retreat to their own barge until nightfall
c) They rush forward and charge the archers, hoping that the surprise force will lead them to retreat
d) They call to them and try to quiet them by giving them beads and trinkets