Answer: The right answer is: “I inhale great draughts of space."
Explanation: Figurative language uses figures of speech (a word or phrase used in a non-literal sense) in order to be more persuasive and have a more lasting and vivid effect on the reader. Specifically, those figures give alternative, non-literal, meanings to the words (that's the case of metaphors, for instance), or they create a certain aesthetic or stylistic effect (as alliterations do, by placing close together words that have the same first consonant sound and creating a sound effect of some sort). By saying that he is "inhaling draughts of space," which is an impossible action (space is something tangible that cannot be inhaled), the speaker in this poem by Walt Whitman is trying to emphasize the point that he is making: he eagerly wants to seize the vast extension of land that opens in front of him. Whitman is here using a highly symbolic language, placing together two unrelated concepts (inhale and space) that, nevertheless, stress his idea and make it more appealing and suggestive.
