NASB 1995
and began saying to Him, "By what authority are You doing these things, or who gave You this authority to do these things?"

American Standard Version
and they said unto him, By what authority doest thou these things? or who gave thee this authority to do these things?

Berean Study Bible
“By what authority are You doing these things?” they asked. “And who gave You the authority to do them?”

Douay-Rheims Bible
And they say to him: By what authority dost thou these things? and who hath given thee this authority that thou shouldst do these things?

English Revised Version
and they said unto him, By what authority doest thou these things? or who gave thee this authority to do these things?

King James Bible
And say unto him, By what authority doest thou these things? and who gave thee this authority to do these things?

World English Bible
and they began saying to him, "By what authority do you do these things? Or who gave you this authority to do these things?"

Young's Literal Translation
and they say to him, 'By what authority dost thou these things? and who gave thee this authority that these things thou mayest do?'

Mark 11:28 Additional Translations ...