题目

阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。Standing in a mountainous area 【1】 (cover) by a wide expanse of evergreen trees, one can hardly imagine that two decades ago the area was 【2】 ugly environmental mess of quarries(采石场). In deep winter, snow adds seasonal flavor 【3】 the leisure destination known as Huaxiacheng Scenic Area in Weihai, Shandong province. The project is witness to the concept 【4】 green mountains and clear water can be mountains of gold and silver. 【5】 (combine) environmental protection and tourism, Whose bag is ________? (　　)A.thatB.thoseC.these