单选题 Iceland lies far north in the Atlantic, with its northernmost tip actually ______ the Arctic circle.
A. touched B. touches
C. touching D. being touched

【正确答案】 C
【答案解析】要填入的内容是介词with的宾语,所以不能用动词的谓语形式touches。其他几个选项的区别点是主动和被动的问题。本句中touch的逻辑主语是its northernmost tip,与touch是主动关系,因此应用现在分词。