--Have you heard about Apple iPhone 4s?
---Sure．It is very hot these days．I’m thinking about getting ．
A. them
B. one
C. that
D. it
网友回答
A. them
(答案→)B. one
C. that
D. it
解析：考查代词的用法。one是同名异物，是泛指相当于a/an +名词，在这里相当于an Apple iPhone 4s,句意：你听说过苹果4S吗？当然了，这些日子很流行，我正在考虑买一个。故选B。