Match the following (column-$I$ with column-$II$):

Column-$I$ (Microbes)	Column-$II$ (Organic acid)
$a$. Aspergillus niger	$(i)$ Butyric acid
$b$. Clostridium butylicum	$(ii)$ Citric acid
$c$. Acetobacter aceti	$(iii)$ Lactic acid
$d$. Lactobacillus	$(iv)$ Acetic acid

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