Помогите преобразовать в косвенную речь - “I want to talk to you about this”, said the boy’s mother. “What’s this?”

the boy's mother said that she wanted to talk to him about this.

The boy's mother told that she wanted to talk to him about that
Somebody asked what was that?

The boy's mother wanted to talk to him about that, so she asked, what that was.

The boy`s mother said that she wanted to talk to him about that and so she asked him what that was.