Based on the contexrds that correctly complete this expert from ernest shackleton memoir south

Which best describes the tone in these lines "the fish"

Ihave no idea what the explanation is.

Which pair of uses of figurative language from “the caged bird” support the extended metaphor of freedom versus oppression? back of the wind; floats downstream his wings are clipped; his feet are tied the caged bird sings; the free bird thinks dawn bright lawn; grave of dreams