In its broadest definition, 'English literature' is the entire body of works
written in the English language during the past 1400 years by inhabitants
of England, Scotland, Wales, and Ireland.
It's a terrific depiction of the evolution of English culture, society, and ethics
and morals, which are actually the basis for civilization in a large part of the
world today.
LETTERS A AND B for the correct answer
The "inward eye" refers to the mind recalling an image. He's saying that while he lays on his couch he sees the daffodils in his mind; using his memory of what he had seen.
Copying and pasting from an Internet article on pets