<h3>I'll just remove the answer because you don't need it :/ </h3>
Answer: The central idea of the poem is to give a contrast between innocence and experience as well as between perception of joys and sorrows
Explanation:
The Japanese tanka is a thirty-one-syllable poem, traditionally written in a single unbroken line. A form of waka, Japanese song or verse, tanka translates as "short song," and is better known in its five-line, 5/7/5/7/7 syllable count form. c is correct