单选题 The International Law of the Sea Conference is an attempt ______major difference among countries with conflicting interests.
【正确答案】 B
【答案解析】解析:本题考查非谓语动词。attempt用作名词,是可数名词,其后常接动词不定式或介词at/on/upon,排除[A]项和[C]项。根据题干中的谓语动词is可知,是一般现在时,故选[B]项。