Which of the Following Statements Does NOT Apply to the Communal

Which of the following statements does NOT apply to the communal web building systems of spiders?

A) Cooperative hunting is performed on the communal webs.
B) Individuals occupying a web will cooperate to care for the young born on the web.
C) Sociality evolved just once in these spiders.
D) The vast majority of communal web-building spiders have gone extinct.
E) Inbreeding is one of the major costs to communal web building.