The answer to your question is b
An example of an oxymoron is
( C ) ""rosy gloom"
The poem Tide Rises, The Tide Falls moves while providing the readers the information that there is life after every end while using nature as the key element of the poem. Nature has been described as gentle but violent. Realizations of death have also been present in this piece. The writer shows that even death is inevitable and part of life, life moves on after it.
