Concept:The underlined letter in “left” represents the consonant sound /l/.
Explanation:In the word “left”, the underlined letter “l” is pronounced as /l/.
Check each option for the same consonant sound:
A. “half” is pronounced /hɑːf/ — the “l” is silent, so there is no /l/ sound.
B. “could” is pronounced /kʊd/ — the “l” is silent, so there is no /l/ sound.
C. “yolk” is pronounced /joʊk/ — the “l” is silent, so there is no /l/ sound.
D. “bulk” is pronounced /bʌlk/ — the “l” is pronounced as /l/.
Only “bulk” has the same consonant sound /l/ as “left”.
Answer:D. bulk