The correct answer is: [C]: "The sound a train makes as it blows it horn." ___________________________________________________________ <u>Note</u>: Refer to the following text: ___________________________________________________________ "...<span>In horrid, <em><u>hooting </u></em>stanza.." [emphasis added]. ___________________________________________________________ The word: "hooting" — refers to the "sound" [of a "train"] ; especially in context with the full text of the rest of the full third stanza of the poem. ___________________________________________________________</span>