Which among of the following bases can be counted to judge the effectiveness of teaching?(i) Marks obtained by students in overall subjects(ii) Level of realization of instructional objectives(iii) Time taken by the students to learn(iv) Resources used by the teacher in teaching(v) Regularity of students in a classSelect your answer from the options given below:

• A. (i), (ii) and (iii)
• B. (i), (ii) and (iv)
• C. (iii), (iv) and (v)
• D. (ii), (iii) and (iv)