$$2009-AMC10A-20$$  Andrea and Lauren are $$20$$ kilometers apart. They bike toward one another with Andrea traveling three times as fast as Lauren, and the distance between them decreasing at a rate of~ $$1$$ kilometer per minute. After $$5$$ minutes, Andrea stops biking because of a flat tire and waits for Lauren. After how many minutes from the time they started to bike does Lauren reach Andrea?  安德里亚和劳伦相距 20 公里。 他们骑自行车相向而行，$$Andrea$$ 的速度是 Lauren 的三倍，而且他们之间的距离以每分钟 1 公里的速度减少。 5 分钟后，安德里亚因为轮胎漏气而停止骑自行车并等待劳伦。 在他们开始骑自行车几分钟后，劳伦与安德里亚相遇？
选项为:A:$$20$$  B:$$30$$  C:$$55$$  D:$$65$$  E:$$80$$  请回答其中一个选项.