Match the columns and identify the correct option
`{:("Column -I ","Column-II"),("Thylakoids","(i) Disc-shaped sacs in golgi appartus"),("Cristae","(ii) Condensed structure of DNA"),("Cisternae","(iii) Flat membranous sacs in stroma"),("Chromatin","(iv) Infoldings in mitochondria"):}`
A. (a-iii), (b-iv), (c-i), (d-ii)
B. (a-iii), (b-i), (c-iv), (d-ii)
C. (a-iii), (b-iv), (c-ii), (d-ii)
D. (a-iv), (b-iii), (c-i), (d-ii)
