《孟姜女》最初是由（）结构的短小民歌扩充而来。
A、三句
B、四句
C、五句
D、六句
参考答案：B
After being questioned by the police,she was released without . [ ]
A. charge
B. control
C. command
D. request
植物有哪些防卫反应？
