Given below are two statements :

Statement $I$ :

The release of sperms into the seminiferous tubules

is called spermiation.

Statement $II$ :

Spermiogenesis is the process of formation of sperms from spermatogonia.

In the light of the above statements, choose the most appropriate answer from the options given below:

Identify $A, B, C, D$ and $E$ in given figure.

The first meiotic division in the oogonium is completed when the egg is within the

$A$ – Acrosome possesses mitochondria.

$R$ -Middle piece of sperm is filled with enzymes

The figure given below shows the sectional view of ovary. Select the option which gives correct identification of marked structure ( $A$ to $D$ ) and its feature.