Which of the following is an example of a polyoestrous mammal?

Which of the following statements is incorrect?

Which of the following statements are true about the female reproductive system?
$(A)$ Both estrogen and progesterone are necessary for development of follicle
$(B)$ Progesterone production is under the control of $LH$
$(C)$ The part of the oviduct is isthmus; has a narrow lumen and it joins the uterus
$(D)$ During pregnancy all events of the menstrual cycle stop and there is no menstruation
$(E)$ The graafian follicle ruptures to release the primary oocyte from the ovary by the process called ovulation

Select the correct option from the following.

$A$ freshly unfertilized egg of a hen contains:

Observe the given figure carefully and identify the site of fertilization by considering the parts labeled as $a, b, c,$ and $d$.