W.R. Grace is typical long-lived company that has nm the following business except ______.

A．knowledge on which they built their fortunes
B．easy access to natural resources from which they made money
C．their ability to learn and adapt to changes
D．information on packets carried over vast distances by portage and ship

A．knowing who they are in a community
B．knowing what role they should play in society
C．knowing that they are connected with the fortune of their company
D．knowing which positions they belong to