Identify the blank spaces $a, b, c$ and $d$ given inthe following table and select the correct answer.

Type of microbes	Scientific name	Commercial product
Bacterium	$a$	Clot buster enzyme
$d$	Aspergillus niger	Citric acid
Fungus	Trichoderma polysporim	$c$
Bacterium	$d$	Butyric acidb

• A

  $a$ - Streptococcus, $b$ - Fungus $c$ - Cyclosporin - $A$, $d$ - Clostridium butylicum

• B

  $a$ - Clostridum butylicum, $b$ -Bacterium $c$- Cyclosporin - $A$, $d$ - Lactobacillus

• C

  $a$ - Propionibacterium sharmanii, $b$ -bacterium $c$ - Streptokinase $d$ - Penicillium roqueforti

• D

  $a$ -Microsporum $b$ - Fungus $c$ - tartaric acid $d$ - Streptococcus