How are operations on REST APIs performed as compared to RPC APIs?

A、InaRESTAPI.operationsareperformedonanextremalresourcethatisdefinedontheAPLbutRPCAPIsareresource-oriented
B、InaRESTAPI,operationsareperformedonaplatformthatisidentifiedbytheURLbutRPCAPIsareplatform-oriented. 
C、InaRESTAPloperationsareperformedoninternalrecoursethatisdefinedontheAPI,butRPCAPIsareresource-oriented.
D、InaRESTAPI.operationsareperformedonanobject(node)thatisidentifiedbyaURI.butRPCAPIsareoperation-oriented.