单项选择题
A．Amy has never recovered from the shock B．Amy changed her job after the accident C．Amy lost her memory after the accident D．Amy has lived quite a normal life
A．Two Important Tests on Airplanes B．The Importance of Flying Safely C．The Danger of Testing Airplanes D．How Airplanes Are Made and Tested
A．a taxi B．the money C．a bomb D．public transport