The oceans and seas the islands are more or less polluted.
A. surrounding
B. surrounded
C. are surrounded by
D. are surrounding
网友回答
(答案→)A. surrounding
B. surrounded
C. are surrounded by
D. are surrounding
解析：考查分词做定语。不同中的动词surround与前面的名词The oceans and seas构成逻辑上的主动关系，故使用现在分词短文在句中做定语，修饰前面的名词。句意：包围岛屿的海洋或多或少地都受到了污染。故A正确。