Match the following enzymes with their functions :

Column I	Column II
(a) Restriction endonuclease	(i) Joins the DNA fragments
(b) Restriction exonuclease	(ii) Extends primers on genomic DNA template
(c) DNA ligase	(iii) Cuts DNA at a specific position
(d) Taq polymerase	(iv) Removes nucleotides from the ends of DNA

Select the correct option from the following :

• A

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

• B

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

• C

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

• D

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