Nowadays, plastics _______ many other materials, and it is easily shaped.   [ ]

A. has taken place of                  

B. has taken the place of    

C. have taken place of                

D. have taken the place of

自杀既遂事件的处置中不正确的做法是（）。

A、及时报警，赶赴现场

B、封闭现场，紧急施救

C、出具证明，撰写报告

D、封锁消息，迅速火化