The additional line best matches the tone of the stanza is he drifts among the cottony clouds. The correct option is B
The caged bird is a story about two birds, the one in the cage and the other was free in the environment. The caged bird is not free, and the only thing it can do to feel free is singing.
The stanza are attached here:
A free bird leaps
on the back of the wind
and floats downstream
till the current ends
and dips his wing
in the orange sun rays
and dares to claim the sky.
Thus, the correct option is B, he drifts among the cottony clouds.
Learn more about the caged bird
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