Choose the correct combination:

Column-$I$	Column-$II$
$A$. Escherichia coli	$I$. Nif gene
$B$. Rhizobium melilotae	$II$. Digestive hydrocarbon of crude oil
$C$. Bacillus thuringiensis	$III$. Production of human insulin
$D$. Pseudomonas putida	$IV$. Biological control of fungal disease
	$V$. Biodecomposed insecticide

• A
  $A-III, B-I, C-V, D-IV$
• B
  $A-I, B-II, C-III, D-IV$
• C
  $A-II, B-I, C-III, D-IV$
• D
  $A-III, B-I, C-V, D-II$