---What do you think of Duan Linxi’s song ?---I think it’s best song in the world. Isn’t i

问题补充：

---What do you think of Duan Linxi’s song ?

---I think it’s best song in the world. Isn’t it beautiful one?

A. the, the

B. a, a

C. the, a

D. a, the

答案：

A. the, the

B. a, a

(答案→)C. the, a

D. a, the

解析：此题重点考查冠词的用法，形容词的最高级前面要用定冠词，泛指要用a或an, beautiful的第一个因素为辅音因素，故选C.