Self-consistent means that the scientific theories and doctrines (or hypotheses) proposed by the researcher should have internal consistency, namely ().

A、areself-compatibleandcompleteincontentandsystem
B、thereisnologicalcontradictionwiththeacceptedtheoryortheory
C、Ccanjustify
D、Dnotcontainpropositionsthatcannotbeprovedandfalsifiedintheirownsystems