2015年4月18日，来自全球各个地方的医疗专家学者共同参加了“2015中国便秘高峰论坛”此论坛致力于研究探讨便秘的治疗．下列不利于预防便秘的做法是（　　）

依次填入下列各句横线处的词语，最恰当的一组是 (　　)

①虽然已经物是人非，但二十年前在此离别的情景，总是________心头，挥之不去。

②学生宁愿唱社会流行歌曲，也不唱校园歌曲，说明了现在学校音乐教育的________和音乐课的歌曲离孩子们的生活太远。

③经典成为了大众消费文化的装饰，各种各样的电影、电视剧在________地戏说历史、改写经典。

我们身边有多种多样的生态系统．例如：①邵阳市市区﹣﹣城市生态系统；②农村梯田﹣﹣农田生态系统；③绥宁黄桑自然保护区﹣﹣森林生态系统；④城步南山牧场﹣﹣草原生态系统；⑤资江水城﹣﹣淡水生态系统；⑥邵阳县双江口拟建的湿地生态公园﹣﹣湿地生态系统．

请回答下列问题：

阅读理解

Several days ago，Brenda had a car accident．As a result．one of her legs had to be cut off.She became quiet and didn't talk to anyone．

    "I wish I could bring her friends to visit her," Brenda's mother said to the nurse．"It's just too long a bus trip．""Don't worry," the nurse smiled．"I have a plan．"

    Later that day, the nurse told Brenda it was moving day．Before Brenda could refuse，the nurse had taken her to another room filled with colourful flowers．"Here's your new roommate，Annie，"the nurse told a dark-haired teenager(青少年)on the other bed．

    Annie smiled．After the nurse left．she hopped (单脚跳)out of her bed and sat at the other end of Brenda's．

    "I lost one of my legs from bone cancer (骨癌)，"she said．"What happened to yours?"Brenda was so surprised that she couldn't say a word．"You're  ▲  ．"Annie continued．"You've still got your knee．They had to take mine．"

    Annie hopped back to her bed．"l'd like to talk with you，but my friends are coming any time now，so I have to get ready," Annie said when she reached up and took off her hair!Her head was completely bald(秃的).

"Oh，I forgot to tell you，the medicine they gave me to kill(杀死) the cancer also killed my hair,"Annie said．

    When Annie's friends came．she introduced Brenda to them all．Before long，Brenda started talking with Annie and her friends．They didn't make her feel like a freak (怪人) at all!By the time the nurse asked·the visitors to leave．Brenda feIt great．

    The girls talked into the night and shared their dreams with each other．When it was time to go to bed，Brenda said，"Good night，Annie．Can't wait till morning．"

根据材料内容选择最佳答案。