四川大地震中形成了几十个堰塞湖,今后堰塞湖的演替属于(   )

四川大地震中形成了几十个堰塞湖,今后堰塞湖的演替属于(                     

A.初生演替

B.先是初生演替,后为次生演替

C.次生演替

D.先是次生演替,后为初生演替

答案

C

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