What could the author add to better clarify the central idea

try and add more emotions and dialogue into the text

Explanation:

the answer should be d) he was one of those young thousands who greeted the war with a certain amount of relief, welcoming the liberation from webs of tangled emotion" since it is the best option because it shows his desire to free himself. 

hope this answer you! have a great day.

i think the answer is c. she can't feel happy because things are moving too quickly.