Use the following to answer questions :
Refer to the diagram below.
-If the diagram is showing cells of the sea urchin,then the process taking place at label 1 occurs in _______,and the cell labeled 3 is _______.

A) the ovary and testis of adult females and males;haploid
B) the hermaphroditic gonad of an adult;diploid
C) the gonads of adult males and females;in seawater
D) seawater;diploid
E) the adult gonads;in the uterus of an adult female