—Have you found your lost mobile phone?—No I haven’t. But I bought yesterday. A. itB. on

问题补充：

—Have you found your lost mobile phone?

—No, I haven’t. But I bought yesterday.

A. it

B. one

C. another

D. other

答案：

A. it

(答案→)B. one

C. another

D. other

解析：one 表示与上文提到的是一类事物中的某一个，不确定，而it 特指上文的内容，故选B