—Have you got an iPhone 5?
—No, many young people began to say “No” to it because of follow-up service. By the way, I am a supporter of Chinese products.
A. it’s
B. its
C. it
D. itself
网友回答
A. it’s
(答案→)B. its
C. it
D. itself
解析：it’s主谓结构，它是；its它的；it它；itself它自己。句意：你有iphone5吗？——没有，许多年轻人开始对它说“不”，因为它的跟踪服务。顺便说一下，我是一个中国产品的支持者。结合语境可知本句是形容词性物主代词作定语，故选B。