“EMB”是（ ）系统的简称？EMB "is the abbreviation for the ( ) system？A. 电子机械制动系统 (Electronic mechanical braking system)B. 线控转向系统 (Wire controlled steering system)C. 电子油门驱动系统 (Electronic throttle drive system)D. 电子液压制动系统 (Electronic hydraulic brake system)