Match the following columns:
`{:(,"Column I",,"Column II"),(a.,"Oxylophytes",(i),"Calcium-rich soils"),(b., "Eremophytes",(ii),"Waste land"),(c.,"Chrysophytes",(iii),"Deserts, steppes"),(d., "Calciphytes", (iv) ,"Acidic soils"):}`
A. a (i), b (ii), c (iii), d (iv)
B. a (i), b (iii), c (iv), d (ii)
C. a (iv), b (iii), c (ii), d (i)
D. a (iv), b (iii), c (i), d (ii)
