Which is the best definition of metaphor?

a.
a figure of speech that makes a comparison using the words like or as; for example, "i'm as hungry as a horse"

b.
a figure of speech that states a comparison between two unlike things; for example, “i’m the dew on the rose”

c.
a figure of speech that makes a comparison using numbers; for example, "i am one of two artists here today"

d.
a figure of speech that states a comparison between the speaker and another person; for example, "i am older than sheila"

is it rising action, falling action, climax, or resolution? need answer also

it was surely an odd creature that one made up by reading the historians first and the poets afterwards a worm winged like an eagle; the spirit of life and elegance and charm,   in a kitchen chopping up suet. but these creatures, monst'r however entertaining to the imagination, hast no existence in fact. what one might doth to bringeth h'r to life wast to bethink poetically and prosaically at one and the same moment,   thus keeping in toucheth with fact—that the lady is mrs martin, ag'd thirty-six, did dress in blue, wearing a black coxcomb and brown shoeth; but not losing sight of fiction eith'r—that the lady is a vessel in which all s'rts of spirits and f'rces art coursing and flashing p'rpetually. the moment, howev'r, yond one tries this method with the elizabethan mistress, one brancheth of illumination fails; one is did hold up by the scarcity of facts.   one knoweth nothing detailed, nothing p'rfectly true and substantial about h'r.   hist'ry scarcely mentions h'r.   and i did turn to professeth'r trevelyan again to seeth what hist'ry meanteth to that gent.   i hath found by looking at his chapt'r headings yond t meanteth.