单选题 His new girlfriend had omitted to tell him that she was married.
【正确答案】 B
【答案解析】[解析] 本句意思：他的新女友未把自己已婚的事实告诉他。omit意为“未(做)，没有(做)”，与fail(未做，未履行)意思相近。forget忘记；delete删除；leave离开。