These are really hard and I can’t find the answers anywhere

Using the key choices, identify the cell type you would expect to find in the following the structures.

A. Oogonium
B. Primary Oocyte
C. Secondary Oocyte
D. Ovum

___1. Forming part of the primary follicle in the ovary
___2. In the uterine tube before fertilization
___3. In the mature, or graafian, follicle of the ovary
___4. In the uterine tube shortly after sperm penetration