What type of figurative language is this? say lend me a coat(it's up to your knees out there) a)simile b)metaphor c)personification d)hyperbole

In this excerpt from "dover beach" by matthew arnold, which two lines or sets of lines suggest that the speaker has undergone a loss of faith? the sea of faith was once, too, at the full, and round earth's shore lay like the folds of a bright girdle furled. but now i only hear its melancholy, long, withdrawing roar, retreating, to the breath of the night-wind, down the vast edges drear and naked shingles of the world. ah, love, let us be true to one another! for the world, which seems to lie before us like a land of dreams, so various, so beautiful, so new, hath really neither joy, nor love, nor light, nor certitude, nor peace, nor for pain; and we are here as on a darkling plain swept with confused alarms of struggle and flight, where ignorant armies clash by night.

When reading a poem closely to interpret its meaning and nuances, what can give you clues about the theme of the poem? athe rhyme schemebthe stanza structurecthe title of the poemd.the name of the poet

And his eyes have all the seeming of a demons that is dreaming which of these poetic devices is used here?