Which of the following step libraries is included in the license for IPCC Express Standard? （）

A.CTI port  
B.CTI Route Point  
C.agent skills  
D.JTAPI user  
E.CRS prompt language  
F.ASR provider  

A.provider  
B.CTI ports  
C.call control groups  
D.CMT Dialog Control Group  
E.trigger  
F.RM provider

A.Application Management to load applications  
B.JTAPI Subsystem with the JTAPI Call Control Group  
C.Database Subsystem communication with LDAP Directory  
D.JTAPI Subsystem with the JTAPI provider