---Mum have you seen my mobile phone?- you bought last week? I’m afraid I haven’t seen

问题补充：

---Mum, have you seen my mobile phone?

--- you bought last week? I’m afraid I haven’t seen .

A. The one; it

B. The one; one

C. One; it

D. One; one

答案：

(答案→)A. The one; it

B. The one; one

C. One; it

D. One; one

解析：考查The one和One、it的用法，One代替前面同类的东西，表示泛指；The one代替前面同类的东西，表示特指；it代替前面同一个东西，句子意思“上周你买的那个吗？我恐怕没有看见它”，所以选A