What is a source? (as relates to creating a literary work)

Read the lines from "she walks in beauty." the smiles that win, the tints that glow, but tell of days in goodness spent, a mind at peace with all below, a heart whose love is innocent! which of wordsworth's beliefs about poetry is illustrated in these lines by byron? a. poetry should present the ordinary in unusual ways. b. poetry should include fantastical, dreamlike settings. c. poetry should revolve around feelings and emotions. d. poetry should focus heavily on everyday situations.