Which of the following is the correct match between List-$I$ and List-$II$?

List-$I$	List-$II$
$1$. Ovary	$a$. Insulin
$2$. Testis	$b$. Thyroxine
$3$. Pancreas	$c$. Testosterone
$4$. Thyroid gland	$d$. Estrogen

• A
  $(1-d), (2-c), (3-a), (4-b)$
• B
  $(1-c), (2-d), (3-b), (4-a)$
• C
  $(1-b), (2-c), (3-d), (4-a)$
• D
  $(1-d), (2-a), (3-c), (4-b)$