The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do A, B and C represent respectively?
A. `{:(" A"," B"," C"),("Regulator","Conformer ","Partial regulator"):}`
B. `{:(" A"," B"," C"),("Conformer","Regulator","Partial regulator"):}`
C. `{:(" A"," B"," C"),("Regulator","Partial regulator","Conformer"):}`
D. `{:(" A"," B"," C"),("Partial regulator","Regulator","Conformer"):}`