No, very does not work there
Therefore it’s the wrong answer u-u
(A) because in the first stanza he is lonely then he surrounded with daffodils
Enjambment - the sentences do not finish with the end of the line.
Simile - "like a slackened drum"
Maybe even hyperbole, since it is an exaggeration.
It shows the love his dad has for him and his trust in his son.