Examine the figure given below and select the right option giving all the four parts $a, b, c$ and $d.$ Correctly identify

$a\quad \;b\quad\;c\quad\;d$

• A

  Endothecium$\quad$ Tapetum $\quad$Microspore mother cell $\quad$Middle layers

• B

  Tapetum$\quad$ Endothecium$\quad$ Microspore mother cell $\quad$Middle layers

• C

  Endothecium$\quad$ Middle layer$\quad$ Tapetum $\quad$Microspore mother cell

• D

  Endothecium $\quad$Microspore mother cell $\quad$Middle layer$\quad$ Tapetum