The three men tried many times to sneak across the border into the neighboring country, _____ by the police each time.
三个男人尝试了很多次偷渡到邻国， 但每次都被警察抓住。 only to do sth.表达的意思与主观愿望相反的结果。 only to be captured意为但是被抓住了。 本题答案为C。