Match the items in Column I with those in Column II :

	Column I		Column II
(a)	Herbivores-Plants	(i)	Commensalism
(b)	Mycorrhiza-Plants	(ii)	Mutualism
(c)	Sheep-Cattle	(iii)	Predation
(d)	Orchid-Tree	(iv)	Competition

Select the correct option from following :

• A

  (a)-i; (b)-iii; (c)-iv; (d)-ii

• B

  (a)-iv; (b)-ii; (c)-i; (d)-iii

• C

  (a)-iii; (b)-ii; (c)-iv; (d)-i

• D

  (a)-ii; (b)-i; (c)-iii; (d)-iv