And say unto him, By what authority doest thou these things? and who gave thee this authority to do these things?
Berean Study Bible (BSB) - Mark 11:28 >“By what authority are You doing these things?” they asked. “And who gave You the authority to do them?”
Textus Receptus (TR) - Mark 11:28 >καὶ λέγουσιν αὐτῷ, Ἐν ποίᾳ ἐξουσίᾳ ταῦτα ποιεῖς; Καὶ τίς σοι τὴν ἐξουσίαν ταύτην ἔδωκεν ἵνα ταῦτα ποιῇς;