Identify from the following those features of key behaviours which are contributive to the effectiveness of teaching

A. Lesson clarity which implies making ideas clear to the learner

B. Questioning - implying fact and based questions

C. Probing involving eliciting and soliciting moves

D. Teacher - task orientation with a focus on outcomes of the unit clearly defined

E. Engagement in the learning process which implies the amount of time students devote to learning.

Choose the correct answer from the options given below: