{{B}}quEstions 28—30 ArE BAsED on thE Following monologuE. you now hAvE 15 sEConDs to rEAD quEstions 28—30.{{/B}}

whAt is thE only thing thE DrivEr oF thE FuturE CAr hAs to DoA．ChoosE thE right mutE.
B．rEFuEl thE CAr rEgulArly.
C．stArt thE EnginE.
D．tEll thE ComputEr whErE to go.