Correct option is A
The correct matching is as follows:
(A) Areal Differentiation - (I) Identifying the uniqueness of any region and understanding how and why it is different
(B) Spatial Organisation - (II) Application of quantitative techniques in Geography
(C) Behavioural School - (III) Discontent with quantitative revolution and its dehumanized manner of doing Geography
(D) Post-modernism - (IV) Focus on local context