𝒞𝒽𝑜𝑜𝓈𝑒 𝓉𝒽𝑒 𝒸𝑜𝓇𝓇𝑒𝒸𝓉 𝑜𝓅𝓉𝒾𝑜𝓃.
The teacher asked, "What made you change your mind?"
The teacher asked what had made me change my mind.
The teacher asked what had made you change my mind.
The teacher asked what made me change my mind.