Match Column $I$ with Column $II$ and find the correct answer.

Column $I$	Column $II$
$(A)$ Aneuploidy	$(i)$ Increase in whole set of chromosomes
$(B)$ Monoploidy	$(ii)$ Loss or gain of a chromosome
$(C)$ Polyploidy	$(iii)$ Two sets of chromosomes
$(D)$ Diploidy	$(iv)$ $A$ single set of chromosomes

• A
  $A-i, B-ii, C-iii, D-iv$
• B
  $A-iii, B-i, C-ii, D-iv$
• C
  $A-ii, B-iv, C-i, D-iii$
• D
  $A-iv, B-iii, C-i, D-ii$