【题目】The island, to the mainland by a bridge, is easy to go to.
A.joining
B.joined
C.to join
D.having joined

【答案】B
【解析】句意：这个岛，由有一座桥和大陆连接，很容易上去。The island与join之间是被动关系，所以用过去分词作定语，选B。