Read the poem.Skimming the bottomIn the company of toes,I observe the deep endThough nobody knows.In the depths, I am bold,On the surface—shy.My goggles transform me:An underwater spy.

In each stanza, the second and fourth lines rhyme, while the first and third lines do not. In the first stanza, “toes” rhymes with “knows”; in the second, “shy” rhymes with “spy.” That gives the rhyme pattern abcb, choice C.

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