Concept:The underlined "ch" in "orchid" has the consonant sound /k/.We must find a word that contains the same consonant sound.Explanation:In "orchid", "ch" is pronounced as /k/.Now check the options for the sound /k/."Chagrin" has the sound /ʃ/."Scepter" has the sound /s/."Sham" has the sound /s/."Skewer" is pronounced /’skju:@/, which contains the /k/ sound.So "skewer" shares the same consonant sound as "orchid".Answer:C. skewer