Because it prevents them from breathing, since the ant is blocking off their airway.
I suppose it's D and also B, with the addition that transcendentalists believed in God as existing in the inner self from where knowledge comes. Romanticism seek for knowledge outside the self, looking up the Universe.
To persuade the reader in such a way, they want to take action towards something.
Answer:
People are unkind to poets and demand explanations from them. Poetry prompts feelings of anger and frustration. People try too hard to find one ...