According to the text, if a driver falls asleep in one of the test cars,_____.A.the car br
According to the text, if a driver falls asleep in one of the test cars,_____.
A.the car brake will be activated automatically to prevent an accident
B.a refined version of smelling salt will be sprayed at the driver
C.the window will be opened to let in fresh air
D.a vibrating alarm will sound to wake the driver up