单项选择题

A.通用引物-PCR方法(general primermediated PCR,CJP-PCR)
B.多重PCR(multiplex PCR)
C.套式PCR(nestcd primers-polymerasc chain reaction,NP-PCR)
D.AP-PCR方法(arbitrarily primcdPCR)
E.原位PCR技术(in situ PCR,ISPCR)