题目

阅读下面短文，从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。Inhigh school Norman Greenstein was a productive doodler (涂鸦手), and created lots of paintings. When he1hisworks to his teacher, the teacher responded, The problem with modern art isthat you can2on a canvas (画布) andcall it art. Norman felt so disappointed, but he3partedwith art over the years.Afterhis4, Norman spared no efforts to5his wife and three children with devotion.Although life was sometimes hard for him, it didn't ruin his 6for creative expression. After being diagn黑色、白色、黄色、红色的筷子各有8根，混杂放在一起，在黑暗中取出一些筷子．要使得这些筷子能够搭配出两双筷子（两根筷子颜色相同即为一双），那么最少要取多少根才能保证达到要求？