完形填空(共15小题;每小题2分,满分30分)
阅读下面短文,掌握其大意,然后从1-15各题所给的A、B、C和D项中,选出最佳选项。
As my 47th birthday was coming this year, I had to admit that I was a little sad. While I was looking back on the old days with __1__ and remembering every mistake that I had made every wrong path that I had taken, and every __2__ chance of growth that I had turned my back on, I felt __ 3__ and depressed.