Concept: The underlined letter r in river is pronounced with the consonant sound /r/.Explanation:The word river is pronounced /ˈrɪvə/, so the underlined r gives the /r/ sound.Check each option for the same /r/ sound.• bar is pronounced /bɑː/; no /r/ is heard.• dairy is pronounced /ˈdeəri/; it contains the /r/ sound.• car is pronounced /kɑː/; no /r/ is heard.• bare is pronounced /bɛə/; no final /r/ is heard.Only dairy has the same consonant sound /r/ as river.Answer: B. dairy