请用三个四字短语概括繁漪的性格特征。
参考答案：
追求自由，行为反常，心理变态。
He has been in high spirits, for pieces of exciting news came to him __________.
A．one after another
B．one by one
C．little by little
D．step by step
善于治霍乱吐泻转筋的药物是
A．独活
B．紫菀
C．羌活
D．木瓜
E．防己
