Concept:Identify the vowel sound in the given word and match it with the same vowel sound among the options.
Explanation:The word "fern" has the vowel sound
/ε:/, like the sound in "bird".
Now check each option:
• "heart" has the vowel sound
/a:/.
• "merge" has the vowel sound
/3:/, exactly matching "fern".
• "eureka" contains a different vowel sound.
• "beryl" has the vowel sound
/ε/.
Therefore, the word with the same vowel sound as "fern" is "merge".
Answer:B. merge