निम्नलिखित में से किस उपागम (approach) में भाषाई मदों को पहले मौखिक रूप से सिखाया जाता है, जिसके बाद व्यवस्थित रूप से पढ़ना और लिखना आता है?

Consider the statements A and B: (A) The teacher should be silent as much as possible in the classroom and learners should be encouraged to produce as much language as possible. (B) Colour charts and coloured Cuisenaire rods should be used to elicit proper pronunciation. These are the premises of:

Identify the core principles of cooperative language learning.