Match the following columns:

Column-$I$ (Protein)	Column-$II$ (Function)
$P$. Collagen	$I$. Hormone
$Q$. Trypsin	$II$. Sensory receptor
$R$. Insulin	$III$. Fights infectious agents
$S$. Antibody	$IV$. Enzyme
$T$. Receptor	$V$. Intercellular ground substance
$U$. $GLUT-4$	$VI$. Enables glucose transport into cells

• A
  $(P-II), (Q-I), (R-V), (S-VI), (T-III), (U-IV)$
• B
  $(P-IV), (Q-I), (R-V), (S-II), (T-III), (U-VI)$
• C
  $(P-V), (Q-I), (R-IV), (S-III), (T-II), (U-VI)$
• D
  $(P-V), (Q-IV), (R-I), (S-III), (T-II), (U-VI)$