Under the ___________________ system, the automatic driving of the train, automatic adjustment of speed and train door control are achieved according to the instructions of ATS. 在___________________系统下，列车的自动驾驶、速度的自动调整和列车车门控制是根据ATS的指令来实现的。
A、Automatic Train Operation (ATO)自动列车运行
B、Automatic Train Overweight 自动列车超重
C、Automatic Train Protection(ATP)自动列车保护