题干
A great number of students said they were forced to practise the piano.
A：to question
B：to be questioned
C：questioned
D：questioning
答案(点此获取答案解析）
C
A great number of students said they were forced to practise the piano.
A：to question
B：to be questioned
C：questioned
D：questioning
亭被改造成微型图书馆、美术馆，美国芝加哥的空中铁路被改造成空中花园，荷兰的旧水塔被改造成舒适方便的别墅。人们这种处理方式变化的哲学依据在于