Which of the Following Is True

Which of the following is true?

A) The specifics of any give client's development can be accurately predicted by linear models of change.
B) Because all humans are unique, there are no general principles of change that we can rely on.
C) Theories of complexity (nonlinear dynamics) are no better at describing human change processes than simple linear theories.
D) There are some general principles of change in dynamic systems-such as that of oscillations-that are usually true of most people's courses of change.