Which of the following best characterizes the forces of the marketing environment?

A: The forces are relatively stable over time and are interrelated with one another.

B: There are few overlapping aspects of these forces; therefore, a change in one is unlikely to result in a change in another.

C: The various forces ensure that the marketing environment will remain fairly certain in the future.

D: These forces change dramatically over time, but a change in one force is unlikely to impact another force.

E: The forces change dramatically and quickly, and a change in one force is likely to affect the other forces.