单选 1.jeans ______so nice on me,how much is it,please? just 50 yuan. A feels B is C are 2.完形Most trees guow one new ring___2___year, Because of this reason,we know ____3___a tree is.A tree over a hundred years old means that it hs more than a hundred_4__.When it is dry or very cold,the trees do not grow very much and their rings are usually___5___.2. A every B many C the first 3.A how big B have long C how 4.A trees B leaves C rings 5.A big B thick Cthin谢谢！请详细讲解答案我知道，只需讲解!（答案是：c a c c c） 回答好的还给加分！