Match Column I with Column II:

Column I	Column II
(a) Viroid	(i) Beijerinek
(b) Prion	(ii) Diener
(c) Contagium vivum fluidum	(iii) John Ray
(d) Species	(iv) Stanley Prusiner

• A

  a-i, b-ii, c-iii, d-iv

• B

  a-iv, b-iii, c-ii, d-i

• C

  a-ii, b-iv, c-iii, d-i

• D

  a-ii, b-iv, c-i, d-iii