阅读下面短文, 掌握大意, 然后从A、B、C、D四个选项中选出最佳选项。
    Zhou Yan, a junior 3 student in Zhejiang Province, wishes she never got a mobile phone．
    Last week, she went to see a 1  because her arms and fingers were hurting, and  2 may be wrong with her eyes because she can't  3  very well．
  The doctor told  4 that she had“mobile phone disease”(手机综合症)．One in three junior students now5  a mobile phone, according to a survey(调查)of Beijing schools.
Zhou only got her mobile phone two months ago．Her mum bought it  6 her to use if she got into trouble．  7she used it to send messages(信息)to her friends all the time．Even after she goes to bed at  8  !
    She was 9so much time playing with her mobile phone．Her mum got very10  with her．
    But one day, Zhou's arms started to hurt．And that's  11she went to hospital．
    Students 12  try to use their mobiles less, saying Yang, a famous woman doctor．They should try to have fun  13 other ways, such as by reading and doing  14 ．
    If students do find their arms and fingers start to hurt, she says, they should go to hospital as 15  as possible．So, if you've just bought a phone, watch out!