单选题 Offshore exploration below the shallow waters of the Persian Gulf has revealed the ______ of large resources of oil and gas.
[A] attendance [B] presence [C] inhabitant [D] presentation

【正确答案】 B
【答案解析】presence在场，存在；attendance到场，出席；inhabitant居民，住户；presentation介绍，陈述，赠送。句意：在波斯湾浅水下进行的离岸勘探发现那里存在大量的石油和天然气资源。