4. What was the main cause of the development of a segregated educational system in the field of Special Needs Education (1)
A. Thorough assessment of the learner’s strength and weaknesses for placement
B. The medical deficit model which view disability as a problem within the learner
C. The learners with disability learn at a slower rate and can learn best when separated
D. They learners with disabilities can never live up to expectations for persons of their own age.