Match the following columns correctly:

Column-$I$ (Disease)	Column-$II$ (Pathogen)	Column-$III$ (Symptom)
$a$. Common Cold	$i$. Streptococcus pneumoniae	$p$. Swelling in lower limbs
$b$. Pneumonia	$ii$. Rhinovirus	$q$. Skin lesions
$c$. $AIDS$	$iii$. Retrovirus	$r$. Nasal congestion and discharge
$d$. Filariasis	$iv$. Filarial worm	$s$. Lips and fingernails turn gray to bluish

• A
  $(a-i-p), (b-ii-q), (c-iii-r), (d-iv-s)$
• B
  $(a-ii-r), (b-i-s), (c-iii-q), (d-iv-p)$
• C
  $(a-iv-p), (b-iii-q), (c-ii-r), (d-i-s)$
• D
  $(a-iii-s), (b-iv-r), (c-ii-p), (d-i-q)$