Which of the Following Is Not a Sanctionable Offence by the ARRT

Which of the following is not a sanctionable offence by the ARRT?

A) failure to participate in professional activities,share knowledge with colleagues,and investigate new aspects of professional practice.
B) impersonation of a candidate for the examination
C) failure to perform radiation therapy procedures with reasonable skill and safety
D) knowingly assisting,aiding,or allowing a person without a current certificate of registration with the ARRT to engage in the practice of radiologic technology,in a jurisdiction which requires such registration