The boy said, “Who dare call you a thief?”

The boy enquired who dared call him a thief.
The boy asked who called him a thief.
The boy told that who dared call him a thief.
The boy wondered who dared call a thief.

The correct answer is A. The boy enquired who dared call him a thief.

The boy is asking a question, so the correct answer must be a question. Option B is also a question, but it is not asking who dared call the boy a thief. Option C is not a question, it is a statement. Option D is also not a question, it is a statement that expresses the boy’s surprise or confusion.

The boy is asking a question because he is surprised or confused that someone would call him a thief. He wants to know who dared to say such a thing.