The sales manager asked his men to ________ him of everything concerning the sales in time．
A.notifyB.noticeC.informD.report在线课程C
解析：
inform sb．of sth．“通知某人某事”；
notify用于正式信件通知。句意为“销售部经理让他手下的人把关于销售量的情况及时报告他”。