Use of attractive and relevant instructional materials are helpful because they

Correct option is A

Activate all senses
• Instructional materials & "teaching/learning materials term refers to a variety of educational materials that teachers use in the classroom to provide support for attaining specific learning objectives, as set out in lesson plans. These can be in the form of games, videos, flashcards, project supplies, and more.
• Teaching aids make the classroom alive and active.
• Students become more active when they see and use different materials in the class making the classroom appear less dull.
• Teaching aids may develop the proper image of things when the students are required to use different bodily senses to unravel a complex idea.