Match the names of branches of biology listed under column $I$ with the field of study given under column $II$; choose the answer which gives the correct combination of the alphabets of the two columns.
Column $I$ (Branch of biology) | Column $II$ (Field of study)
$A$ Palynology | $p$ Silkworms
$B$ Oncology | $q$ Pollens
$C$ Phycology | $r$ Cancer
$D$ Sericulture | $s$ Algae

• A
  $A = s, B = q, C = r, D = p$
• B
  $A = q, B = r, C = s, D = p$
• C
  $A = s, B = r, C = q, D = p$
• D
  $A = r, B = q, C = s, D = p$