单选题 There is a ______ difference in meaning between the words "surroundings" and "environment".
【正确答案】 B
【答案解析】subtle细微的;gentle和蔼的,温柔的;feeble(身体)虚弱的,无力的;humble卑微的,卑贱的。句意: surrounding和environment这两个词之间在意思上有细微的区别。