Answer:
B. Everyone knows that umbrella is mine.
Explanation:
The pronoun mine suggests the speaker is talking about themselves.
The central theme of the poem is <u>how one should attain wisdom</u>. In the end, the poet <u>agrees with</u> the wise man's views.
The focus of the poem is the wise man's advise regarding love, how to give it to a lover and the consequences after giving love from the heart. Though the poet listened to it, he/she decided not to pay attention but later, in older age, he/she agrees with the men's wisdom. The poem reflects how one should attain wisdom: by listening to wise people's advise.
Yes it is okay as long as you give credit to that person