答案及解析：[单选题]Among many theories, three principal ones that influence most instructional design models today are: - 教育教学网课答案- 答案窝(daanwo.com)-大学生作业答案及考资分享平台

问题：

[单选题]Among many theories, three principal ones that influence most instructional design models today are: _______, cognitivist learning theory, and constructivist learning theory. ( )
Atwenty-first century learning theory
Bpsychological development theory
Cscheme theory
Dbehaviorist learning theory