The poem is an example of a pastoral poem. Pastoral poems are poems about the country life. Many famous writers like Shakespeare, Virgil, Hesiod, and Theocritus are fond of writing these types of poems. Pastoral poems are often described as pure and innocent. Most of these poems are idealized to a perfect type of country life.
I assume that by aggressive verb you mean a verb which shows the most emotion - because there is no such thing as an aggressive verb in grammar. Anyway, based on that understanding, I believe the correct answer is 1. batter.
To batter means to hit hard over and over again, which to me shows a lot of aggression, which is why I'd choose that option. The other options do not show the same emotion.
1 d
2 b
3 b
4 none of them, it is future perfect progressive.
It is a metaphor. A simile has like or as in it.
