Berean Study Bible
Now one of the scribes had come up and heard their debate. Noticing how well Jesus had answered them, he asked Him, “Which commandment is the most important of all?”

King James Bible
And one of the scribes came, and having heard them reasoning together, and perceiving that he had answered them well, asked him, Which is the first commandment of all?

American Standard Version
And one of the scribes came, and heard them questioning together, and knowing that he had answered them well, asked him, What commandment is the first of all?

Darby Bible Translation
And one of the scribes who had come up, and had heard them reasoning together, perceiving that he had answered them well, demanded of him, Which is [the] first commandment of all?

Douay-Rheims Bible
And there came one of the scribes that had heard them reasoning together, and seeing that he had answered them well, asked him which was the first commandment of all.

English Revised Version
And one of the scribes came, and heard them questioning together, and knowing that he had answered them well, asked him, What commandment is the first of all?

Young's Literal Translation
And one of the scribes having come near, having heard them disputing, knowing that he answered them well, questioned him, 'Which is the first command of all?'