桑塔纳AJR型发动机打马达发动时,无着火现象、发动机转速表指针不动、油压表指针不动、解码器与发动机ECU能通讯,试问以下哪个故障是最大可能原因?( ) A、ECU的正极电源供电不良 B、ECU的负极电源供电不良 C、发动机转速传感器G28故障 D、点火系统故障
Briefly introduce your educational background, including your college, your major, the courses you took, the activities you participated in, as well as the honors and awards you have got. 简要介绍自己的教育背景,包括你的就读院校、专业、课程、参与的活动,以及获取的荣誉奖励等。