单选题 Helen forgot to bring her admission card with her, _____ she was allowed into the hall to take the exam.无
【正确答案】 D
【答案解析】句意:海伦忘带准考证了, 不过她还是被允许进入考场参加考试。 前后两个半句是转折关系。 难度:简单She sat on the bench in the park, _____.