The oceans and seas the islands are deep blue and many cities lie a bay.A. surrounding;i

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A. surrounding;in
(答案→)B. surrounding;on
C. surrounded;in
D. surrounded;on
解析：考查非谓语动词和固定短语。surround“环绕”，oceans and seas和surround是主谓关系，应该用主动形式，排除C、D；lie in指位于同一范围内；lie on指接壤，紧挨着。故选B。