Identify A to D in figure given below:
A. A-Spermatid, B-Corona radiata, C-Perivitelline space, D-Zona pellucida
B. A-Corona radiata, B-Sperm, C-Perivitelline space, D-Zona pellucida
C. A-Sperm, B-Corona radiata, C-Perivitelline space, D-Zona pellucida
D. A-Sperm, B-Corona radiata, C-Zona pellucida, D-Perivitelline space