The answer to your question is c.invented because it's a past participle.
Answer:
A child hero is a hero that is often depicted as a child or a child-like figure.
Explanation:
In this poem<span>, </span>Whitman questions his own existence and the futility of life<span>. He ponders the "endless trains of the faithless," or the many people who, throughout his </span>life<span>, betray his expectations. He describes cities full of foolish people and reproaches himself for being no better than these faithless masses.</span>
Answer:
elaborate I'll be able to help then