He is _____ to criticism and rarely changes his opinion.
- A. Susceptible
- B. Receptive
- C. Impervious ✓
- D. Vulnerable
Correct answer
C. Impervious
Explanation
'Impervious to' means unaffected by, matching a person who rarely changes his opinion.
C. Impervious
'Impervious to' means unaffected by, matching a person who rarely changes his opinion.