A single honeybee hive will spawn and develop thousands of eggs over the course of several months, each egg considered a sheltered treasure in its own honeycomb cell.

A: each egg considered a sheltered treasure in its
B : every egg considered a sheltered treasure in their
C : all the eggs considered a sheltered treasure in its
D : all the eggs considered a sheltered treasure in their
E : each egg considered a sheltered treasure in their

OA: A Can someone explain why D is incorrect?