Match the following:

Column $I$	Column $II$
$(a)$ Potato spindle tuber	$(i)$ Virus
$(b)$ Creutzfeldt-Jakob disease $(CJD)$	$(ii)$ Viroid
$(c)$ Cholera	$(iii)$ Prion
$(d)$ Leaf rolling and curling	$(iv)$ Bacteria

• A
  $a-i, b-ii, c-iii, d-iv$
• B
  $a-iv, b-iii, c-ii, d-i$
• C
  $a-ii, b-iii, c-iv, d-i$
• D
  $a-iv, b-i, c-iii, d-ii$