原题:
Found throughout Central and South America, sloths hang from trees by long rubbery limbs and sleep fifteen hours a day, moving infrequently enough that two species od algae grow on its coat and between its toes.
a) sloths hang from trees by long rubbery limbs and sleep fifteen hours a day, moving infrequently enough
C) sloths use their long rubbery limbs to hang from trees, sleep fifteen hours a day, and move so infrequently
D)The sloth hangs from trees by its long rubbery limbs, sleeping fifteen hours a day and moving so infrequently
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