Which best compares the structure of silent spring and "save the redwoods"

(c) Silent Spring starts by appealing to readers’ emotions and ends by appealing to readers’ logic, while “Save the Redwoods” starts by appealing to readers’ emotions and ends by establishing the author’s credibility.

needs an explanation

b. our party quickly made its way into the cave / but we failed to find our host [the cyclops] himself inside.