语法与词汇 30.Absorbed in her work, she was totally______her surroundings.
【正确答案】 C
【答案解析】本题是说她专注于她的工作完全忘了周围的切。C项“oblivious of遗忘的,忘却的”符合题意。如:He was oblivious of what was happening.(他已经忘却发生什么事了。)其他三项“liable for对……负责;separated by被隔绝,被孤立;concerned about关心,挂念”都不正确。