A. stupid
B. adventurous
C. hazardous
D. inadvisable
✅ The correct answer is option C.
Stupid : having or showing a great lack of intelligence or common sense.
Stupid : having or showing a great lack of intelligence or common sense.
Adventurous : willing to take risks or to try out new methods, ideas, or experiences.
Hazardous : risky; dangerous.
Inadvisable : likely to have unfortunate consequences; unwise.
Risky : full of the possibility of danger, failure, or loss.
Synonym of Risky is Hazardous