Which phrase provides the best context clue for the meaning of the word laborious?

Read this excerpt from the poem "monet’s ‘waterlilies’” by robert hayden. here space and time exist in light the eye like the eye of faith believes. the seen, the known dissolve in iridescence, become illusive flesh of light that was not, was, forever is. o light beheld as through refracting tears. here is the aura of that world each of us has lost. here is the shadow of its joy. what is the best evidence that this poem is written in free verse? a.it has two stanzas. b.it has no set meter. c.it uses alliteration. d.it has no repeating words.