If a teacher does not use any kind of teaching aid while teaching in the classroom how will it affect his/her teaching? Choose the correct option.

• A. It makes students passive and uninterested in studying
• B. It is not necessary as a good teacher can make the lesson effective without use of teaching aid
• C. It is advantageous to a teacher as he/she can escape from the arrangement of teaching aid
• D. It affects the learning domains of students by bringing down their learning rate