Which one of the following most accurately reflects the difference between strong cultures and weak cultures?
选项：

A: Strong cultures tend to encourage employees to try new approaches to changing conditions, while weak cultures do not.
B: In strong cultures, organizational values are held by top management, while in weak cultures, values are diffused throughout the organization.
C: Strong cultures have less influence on employee behavior than do weak cultures.
D: Company values are more deeply held and widely shared in strong cultures than in weak cultures.