Among the following statements about curriculum resources, the correct one is ()

Curriculum resources are the foundation of curriculum construction, which includes teaching materials and all the resources in students' family, school and social life that are helpful to students' development; And textbooks are different from textbooks. Textbooks and handouts are the main parts of textbooks. Therefore, items A and D are wrong. Local curriculum is a curriculum developed and designed by local education authorities on the basis of national curriculum and under the guidance of certain educational ideas and curriculum concepts by provincial education administrative departments or their authorized education departments according to local political, economic, cultural and ethnic development needs. Therefore, item B is wrong.