题目内容：
根据下列材料回答 题。Passage Three
It is 2 a．m．You took too long over Dinner，the coast is still a couple of hundred kilometersaway and it is essential to get that early morning ferry．And your car radiator pipe has split．Attimes like that，theDocuments making up your insurance kit lying in the front of your ear seemuseless．The nearest phone was passed three kilometers back，and it would be reasonable to ex．pect someDelay in getting breakdown assistance when you have finally phoned through．
If on the other hand，you've got a spare in the car，five minutes'work should 8ee you on your wayagain．The majority of breakdownsDo involve minor and easily changed parts．A few basic tools and theright mix of spal'es are well worth the space they take up．But to sort out which ones are most likely tobe needed，and to buy them，咖be expensive．
That is why the motoring organizations have come up with rental kits．For about 50 pence aday(slightly more to non-members)they will supply a boxed range of spares for a given car． Onreturning the kit the motorist pays for any that are used，plus a small fee for repacking．Depositsare about￡20．
It is much better，however，to reduce the risk of breakdowns by seeing that your car is prop—erly serviced before setting out．Particularly whenDriving at high speed over longDistances in hotweather．
Finally，it makes sense to purchase a safety triangle and an emergency plastic windscreen before leaving．Make sure all your fellow travellers know where yourDocuments are；give one aspare set of keys，and slip into the back of your wallet a large banknote for the emergencies where a credit card won’tDo．
In order to avoidDisaster it would be wise_________． 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
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