Which one of the following situations is illustrate on child-centred classroom?

(a) A class in which the teacher dictates and the students are asked to memorize the taste
(b) A class in which the text book is the only resource the teacher refers to
(c) A class in which the students are sitting in groups and the teacher takes turns to go to
(d) A class in which the behaviour of students is governed by the rewards and punishments the teacher would give them