Concept:The underlined letters in “Orchid” produce the consonant sound /k/.Explanation:In the word “Orchid”, the letters “ch” are pronounced as /k/.Now check each option for the same consonant sound.Sceptre: the letters “sc” give the sound /s/, so no /k/.Skewer: the letters “sk” give the sound /sk/, which contains /k/.Sham: “sh” gives /s/, so no /k/.Chagrin: “ch” gives /sh/, so no /k/.Only “skewer” has the consonant sound /k/ as in “Orchid”.Answer:B. skewer