Which excerpt shows the clearest example of ethos from "The Dam nation of a Canyon"?
O A. Above the river shores were the great recessed alcoves where
water seeped from the sandstone, nourishing the semitropical
hanging gardens of orchid, ivy and columbine, with their
associated swarms of insects and bird life.
B. If Rainbow Bridge is worth seeing at all, then by God it should be
easily, readily, immediately available to everybody with the money
to buy a big powerboat.
C. In the summer and fall of 1967 I worked as a seasonal park ranger
at the new Glen Canyon National Recreation Area. During my five-
month tour of duty I worked at the main marina and headquarters
area
D. The utter barrenness of the reservoir shoreline recalls by contrast
the aspect of things before the dam, when Glen Canyon formed
the course of the untamed Colorado.