In that situation the essential passions of the heart find a better soil which then can attain maturity, are less under restraint, and speak a plainer and more emphatic language; . . (preface to lyrical ballads)

this excerpt is an example of a work from the period.

This excerpt is an example of a work from the Romantic Period (Romanticism) in English Literature, written by Willam Wordsworth. Romanticism had the greatest influence from the end of 18th century up to 1870. Poems are the most common way of expression of romanticism.

I'm pretty sure that the answer is (d)