Which excerpt is an example of the author's use of pathos in "the dam nation of a canyon" ?
a. the glen canyon float trip was an adventure anyone could enjoy, on his own, for a cost less than that of spending two days and nights in a page motel.
b. it is often stated that the dam and its reservoir have opened up to the many what was formally restricted to the few, implying in this case that what was once expensive has now been made cheap.
c. it will take a while, but long before it becomes a solid mass of mud lake powell ("jewel of the colorado") will enjoy a passing fame as the biggest sewage lagoon in the american southwest.
d. i have had the unique opportunity to observe first hand some of the differences between the environment of a free river and a power-plant reservoir.