单项选择题
A．driving short distances in hot weather B．having their car insured for ￡ 20 C．driving slowly at all times D．making sure their car is in good working order
A．you have brought the wrong documents with you B．your ferry has just left without you C．the nearest phone is out of order D．a repair to your car might take some time
A．to spend five minutes checking the car before you leave B．to carry some emergency spares with you C．to buy a cheap set of spares before leaving D．to prevent all breakdowns from happening