Match the following columns and choose the correct option:

Column-$I$	Column-$II$
$1$. $Haemophilus$ $influenzae$	$p$. Malignant malaria
$2$. $Entamoeba$ $histolytica$	$q$. Elephantiasis
$3$. $Plasmodium$ $falciparum$	$r$. Pneumonia
$4$. $Wuchereria$ $bancrofti$	$s$. Amoebiasis

• A
  $1-r, 2-p, 3-q, 4-s$
• B
  $1-q, 2-r, 3-s, 4-p$
• C
  $1-r, 2-s, 3-p, 4-q$
• D
  $1-s, 2-p, 3-q, 4-r$