do you think 是插入语,做题时可以删除不看. do you think 提前的话,句试改变,那么原来的句子就是"should I attend the lecture?"she asked me. 还原成称述句就是 I should attend the lecture 其中的that 指the lecture无实意,可以略去
该选a./b吧，如真是c,表“真认为”，有出乎意料的“难道”之意
