The correct answer is D. All of these.
A good teacher should be able to arrange subject matter in a logical way, inspire his pupil, and have a sweet, polite and clear voice.
A teacher should be able to arrange subject matter in a logical way so that the students can understand it easily. The teacher should also be able to explain the concepts in a clear and concise manner.
A teacher should inspire his pupil so that they are motivated to learn. The teacher should be able to create a positive learning environment and make the students feel comfortable asking questions.
A teacher should have a sweet, polite and clear voice so that the students can understand what he/she is saying. The teacher should also be able to project his/her voice so that the students at the back of the class can hear him/her.
In addition to these qualities, a good teacher should also be patient, understanding, and knowledgeable. He/she should also be able to manage a classroom effectively and create a positive learning environment.