Question

【题目】---Have you ever heard of the new brand of computer,Miller?

---Yes, of course. But I haven't decided whether to buy________.

A. it

B. one

C. this

D. that

Answer 1

【答案】B

【解析】 one指代同类事物中一个；it指代前文提到的同一物。此处指同类事物中的一个，故选B。