Concept:Identify the consonant sound made by the underlined letter in the given word and find the option with the same consonant sound.Explanation:The given word is "swine", pronounced /swaIn/.The underlined letter is w, and its consonant sound is /w/.Check the options:"one" is pronounced /w^n/, so it has the same /w/ sound."new" is /nju:/, "know" is /no/, and "seen" is /si:n/, so none of them contain the /w/ sound.Answer:A. one