Established Organizations Have a Difficult Time Adapting to a Rapidly

Established organizations have a difficult time adapting to a rapidly changing environment because:

A) they don't--that's not a true statement.
B) of heavy investment in plant and equipment and an established viewpoint of leadership that has been successful.
C) when the environment changes, no one could predict that the changes will affect them.
D) leadership could change, but does not want to change.