A. Intelligent
B. Sufficient
C. Proficient
D. Professional
✅ The correct answer is option C.
Intelligent : having or showing intelligence, especially of a high level.
Intelligent : having or showing intelligence, especially of a high level.
Sufficient : enough; adequate.
Proficient : competent or skilled in doing or using something.
Professional : relating to or belonging to a profession.
Adept : very skilled or proficient at something.
Synonym of Adept is Proficient