What is said about the relationship between these education organizations in the passage
A、TheAdultEducationAssociation was the predecessor of theAmericanAssociation forAdultEducation. B.The Office of Vocational andAdultEducation is a branch of the U. S.Dept. ofEducation. C.TheAmericanAssociation forAdult andContinuingEducation was developed from the NationalAssociation. D.The U. S.Dept. ofEducation is responsible for theAmericanAssociation forAdult andContinuingEducation.