[解析]
(1)细节理解题。根据第二段Just at that time,a first﹣class passenger noticed them and wanted to offer his seat,hoping it would provide more comfort for them.On hearing that,Zwick was moved to tears by the gesture.(就在这时,一位头等舱乘客注意到了他们,想让座给他们,希望能让他们更舒服。听到这个,兹威克被这个姿态感动得流下了眼泪。)可知,一个头等舱的乘客主动提出跟Zwick换座位,这让Zwick非常感动。故选C。
(2)细节理解题。根据第三段However,upon landing,Zwick was unable to find the man,as they lost each other in the crowd.Determined to thank him appropriately,she detailed the encounter,from the struggles of traveling with a baby and medical equipment to the heartfelt exchange with the stranger.(然而,着陆后,兹威克无法找到这个人,因为他们在人群中失去了彼此。为了适当地感谢他,她详细描述了这次相遇,从带着婴儿和医疗设备旅行的挣扎,到与陌生人的真诚交流。)可知,兹维克想找那个男人来表达她的感激之情。故选B。
(3)词句猜测题。根据第四段The viral nature of this post eventually led to the airline connecting Zwick with the benefactor,Jason Kunselman.(这篇帖子的病毒式传播最终导致航空公司将Zwick与___Jason Kunselman联系起来。)可知,划线词意为"捐赠者,恩人"。A.Contributor捐赠者;B.Reporter记者;C.Conductor售票员;D.Organizer组织者。故选A。
(4)推理判断题。根据第四段This encounter between Zwick and Kunselman serves as a powerful reminder of the impact a simple act of kindness can have.It's a call to action for all of us to be more observant and considerate of those around us.(兹威克和昆塞尔曼的相遇有力地提醒了我们,一个简单的善举也能产生巨大的影响。这是对我们所有人的行动呼吁,让我们更加观察和体谅我们周围的人。)可知,Zwick的故事告诉我们,善举总是从我们的体贴开始的。故选D。