Today we have chat rooms, text messaging, emailing… but we seem ______ the art of communicating face-to-face
A.losingB.to be losingC.to be lostD.having lost在线课程B
考查固定结构。Seem to do sth好像要做某事；再根据时间状语Today，应指我们似乎正在失去面对面的交流艺术。所以选B。