CTET 2 Social and Science 22 Dec 2021 Paper

Which of the following statements is true about Social Science texts and materials used in the classroom?
(A) The prescribed textbooks are the only source to be used, as the syllabus is finite.
(B) The prescribed textbooks are one of the sources as we need to incorporate infinite contexts.
(C) The provision of supplementary material is an unnecessary burden for teachers.
Choose the correct option.