Concept:The symbol /3:/ represents a long, central vowel sound, as in "her" or "bird".Explanation:Check the vowel sound in each option."scourge" is pronounced /ske:dz/, so it contains the sound /e:/."heart" is pronounced /ha:t/, not with /3:/."water" is pronounced /’wo:te/, so it does not contain /3:/."shears" is pronounced /ʃɪəz/, which also lacks /3:/.Therefore, only "scourge" matches the given phonetic symbol.Answer:A. scourge