完形填空。阅读下面短文，掌握其大意，然后从各题所给的A、B、C和D项中，选出最佳选项。
People in communities have slowly been pushed apart through the years, mostly because
people simply aren’t taking the time to say a simple “ hello. ” After considering this phenomenon, I decided I was going to 1 the way I was doing things.
