7244. The old man asserted that the whole art of medicine lay in judicious poisoning.

✅ The correct answer is option A.
Wise : having or showing experience, knowledge, and good judgement.

Clever : quick to understand, learn, and devise or apply ideas; intelligent.

Cautious : (of a person) careful to avoid potential problems or dangers.

Careful : making sure of avoiding potential danger, mishap, or harm; cautious.

Judicious : having, showing, or done with good judgement or sense.

Synonym of Judicious is Wise