what is the best meaning for the word fluctuate as it is used in the underlines sentence two in paragraph one

Will give choose the best answer for the question. review the detail: in “boy flying,” the speaker describes the river as being “ like the silver track / left by the snail.” which best identifies and interprets the meaning of the figurative language in this line? a: it’s a simile; the river runs in a sleek, thin line along the ground. b: it’s a hyperbole; the river is slimy c: it’s a metaphor; the river is tiny. d: it’s personification; the river smells like snails

Which line in this excerpt from the great gatsby by f. scott fitzgerald contains a simile? about half way between west egg and new york the motor-road hastily joins the railroad and runs beside it for a quarter of a mile, so as to shrink away from a certain desolate area of land. this is a valley of ashes—a fantastic farm where ashes grow like wheat into ridges and hills and grotesque gardens where ashes take the forms of houses and chimneys and rising smoke and finally, with a transcendent effort, of men who move dimly and already crumbling through the powdery air. occasionally a line of grey cars crawls along an invisible track, gives out a ghastly creak and comes to rest, and immediately the ash-grey men swarm up with leaden spades and stir up an impenetrable cloud which screens their obscure operations from your sight.

The attitude the speaker in this poem holds toward himself can best be described as