In What Way Are Single-Celled Slime Mold Amoebas and Individual

In what way are single-celled slime mold amoebas and individual honeybees (social insects that live in colonies) alike?

A) Signals cause them to aggregate, though they usually live alone.
B) They are both examples of loss of complexity.
C) Individuals always live in groups.
D) Some individuals give up independent replication in the larger group.