阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
(2013·南京市二模，D)
While waiting to pick up a friend at an airport in Portland, Oregon, I had one of those lifechanging experiences that you hear other people talk about—the kind that happens to you unexpectedly. To me, this happened and was only two feet away from me.
