Why us the underlined word in the analogy incorrect?

Answer:
D. It has a synonym relationship with curious instead of an antonym relationship.
Explanation:
Synonym - means the opposite word.
Clever and Smart mean the same thing.
Bored is the synonym of clever and smart.
Answer:
A. It has an antonym relationship with curious instead of a synonym relationship.
Explanation:
i got it right ap3x