How does the poet develop the theme?
A
by telling about the speaker's history of seeing Imaginary things and then
expressing sadness that the speaker cannot see reality
by contrasting the happiness the speaker feels in the beginning while fishing
with the anger he feels after becoming an old man who no longer fishes
by explaining the steps the speaker takes to catch the trout and then describing
the process by which it transforms into a mysterious being
D
by describing the speaker's fateful meeting with a mysterious being and then
explaining his plans to continue to follow the being