While delivering lecture if there is some disturbance in the class, then a teacher should
(a) Keep quite for a while and then go on
(b) Punish those causing disturbance
(c) Not bother of what is happening in the class
(d) all of the above
(a) Keep quite for a while and then go on
(b) Punish those causing disturbance
(c) Not bother of what is happening in the class
(d) all of the above