At the same time , passengers are demanding more from their air travel experences which will drive more improvements touching all aspects of the journey.请帮我分析这个句子的结构吧
.... Never having seen D.Having never seen 选C 这道题做的时候一点思路都没有 求老师分析!3.Most of the people____to the conference were experts on Chinese medicine.A.invited B.being invited C.having been invited D.to be invited 选A&nb...