问题详情

One student at UCLA was found cheating ______.
A．when he was loading his class notes into a handheld e-mail device
B．when he was trying to tell the answers to his classmates
C．after the university put in place a new examination-supervision system
D．after his classmate reported his cheating to the authority请帮忙给出正确答案和分析，谢谢！