Each seminiferous tubule is lined on its inside by two types of cells $A$ and $B$. Which of the following options is correct,w.r.t. the type of cell and its function?

$A$

$B$

• A

  $A$. Male germ cells: Undergo meiotic division

  $B$. Sertoli cells: Provide nutrition to germ cells

• B

  $A$. Spermatogonia: Undergo mitosis

  $B$. Sertoli cells: Secrete testicular hormones

• C

  $A$. Male germ cells: Leading to sperm formation

  $B$. Leydig cells: Secrete androgens

• D

  $A$. Sertoli cells: Provide nutrition to germ cells

  $B$. Leydig cells: Secrete inhibin