The court inquired that the accused was present at the hearing.

英訳に間違いが有れば正してください。

裁判所は、被告人が聴聞会に出席したかどうかを尋ねた。
The court inquired that the accused was present at the hearing.

ヒント
動詞の用法

答え thatをifにする

The court inquired if the accused was present at the hearing.

inquireにはthat節は続かない

inquire+if/wh-節