问题
Have you got an iPhone 5—No, many young people began to say “No” to it becauseof _________ follow-up service. By the way, I am a supporter of Chineseproducts.
A:it’s
B:y the way, I am a supporter of
C:it
D:itself
B:y the way, I am a supporter of
C:it
D:itself
正确答案是：
