Match the following columns correctly:

Column $I$	Column $II$
$(a)$ Boron	$(p)$ For $CO_2$ transport
$(b)$ Copper	$(q)$ Essential for nitrogen fixation
$(c)$ Molybdenum	$(r)$ Essential for sugar translocation in plants
$(d)$ Chlorine	$(s)$ Essential for chlorophyll synthesis in plants

• A
  $ (a - s), (b - r), (c - p), (d - q)$
• B
  $ (a - r), (b - s), (c - q), (d - p)$
• C
  $ (a - r), (b - s), (c - p), (d - q)$
• D
  $ (a - p), (b - q), (c - r), (d - s)$