“民族工业的黄金时代在近代中国经济中占有特殊地位，是转瞬即逝的没有前途的经济奇迹。”材料中的“黄金时代”发生在（    ）

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    Xiao Lin has a good friend. Her 1 is Lucy. She is from the USA. She's a(n) 2. Xiao Lin and Lucy  3 in the same class. They go to school five days a4. They stay at  5 on Saturday and Sunday. Lucy 6 China and Chinese food. Her favorite  7 is rice cake. At school they play football after class. Xiao Lin and Lucy like 8 things. Now they are making a plane. They like flying planes on Saturday and Sunday. Lucy 9 English and a little Chinese. They are  10 friends.

在最近的30年间，大量粮食从东北输往南方沿海省区。从“南粮北运”到“北粮南运”，中国农业历经千年形成的粮食产销格局被彻底改变了。结合图5，完成以下问题。