—Have you heard about Apple iPhone 4?
—Sure．It is very hot these days．I’m thinking about getting ．
A. one
B. them
C. that
D. it
网友回答
(答案→)A. one
B. them
C. that
D. it
解析：考查代词用法。one 是泛指，同名异物，相当于a/an + 名词，that 是特指，同名异物，相当于the + 名词，it 同名同物，句意：你听说过苹果四吗？当然了，这些日子非常流行。我正考虑买一个呢？one在这里相当于an Apple iPhone 4,所以选A。