KJV - Then answered the Jews and said unto him, What sign shewest thou unto us, seeing that thou doest these things?

ASV - The Jews therefore answered and said unto him, What sign showest thou unto us, seeing that thou doest these things?

BBE - Then the Jews put this question to him: What sign of authority have you to give us, seeing that you do these things?

WEB - The Jews therefore answered him, "What sign do you show us, seeing that you do these things?"

YLT - the Jews then answered and said to him, `What sign dost thou shew to us -- that thou dost these things?'

Notes