单选题
The Security Department has warned that any ______ use of the car park on weekends will result in the vehicle being towed.
【正确答案】
D
【答案解析】use被介词短语of the...weekends修饰，是that引导的宾语从句的主语。横线处应填入修饰use的形容词或能和use构成复合词的名词。备选答案中没有名词选项，因此横线处应填入形容词、现在分词或过去分词。再根据句意，选择过去分词(D)unauthorized(未经批准的)。