Concept:The question asks you to match the consonant sound of the underlined letters, not their spelling.
Explanation:The underlined letters in the given word are pronounced as
∫, the sound heard at the beginning of "ship".
In "chauffeur", the initial "ch" is pronounced as
/s/, so it matches exactly.
In "chilly", "ch" is pronounced as
/tʃ/, which is a different consonant sound.
In "bristle" and "sighting", neither word contains the
/sh/ sound.
Therefore, the correct option is the one beginning with
/ʃ/.
Answer:A. chauffeur