单项选择题

案例分析题

An elderly woman died yesterday after being knocked down by a motorist.The driver had【C1】______no attempt to brake（刹车）.When a policeman asked him，a man of 69，to read the number plate of a car parked on the【C2】______side of the road，the man said this was【C3】______，because it was foggy.In fact，it was a sunny day.【C4】______several attempts，even from【C5】______distance of two meters，the man【C6】______failed to read the number-plate【C7】______.He said he had never needed glasses，though he had been【C8】______in a similar accident the day before.The question【C9】______fitness to drive comes up every time some medical condition【C10】______to an accident like this.Last week traffic accidents【C11】______the death of two motorists，one of【C12】______died as a result of blackouts（眩晕）while driving.The【C13】______，a man whose car hit a tree，had【C14】______from blackouts gone for years.The second died【C15】______his sports car crashed at 60m.p.h.He had a brain disease which caused him to【C16】______consciousness when he had a headache.With such cases【C17】______mind，it is not surprising that【C18】______prevention organizations are trying to【C19】______the government to introduce stricter【C20】______over drivers.

【C1】（）