Read the excerpt from silent spring.

the roadsides, once so attractive, were now lined with browned and withered vegetation as though swept by fire.

in this excerpt, the phrase best shows the author’s tone of despair.

a. "so attractive"
b. "now lined with"
c. "withed vegetation"
d."as though swept"

c. "withered vegetation"

Explanation:

Withed vegetation, is used to refer to dyign, dried up plants, where once stood beautiful nature now it was all dead and dried up. The despair in the tone can be seen in these words because of the use of the word withered, it´s not just that it was dry or dead, it was ugly, and unpleasant to look at.

b. sec, foreign relations

he sent troops to protect the students as they entered the school.