According to Lewin's force field analysis,the current equilibrium of forces may be modified to initiate change by:

A) increasing the strength of pressure for change
B) removing or reducing the resisting forces
C) changing the direction of a force
D) any or all of these may be used to initiate change

According to Lewin's force field analysis, any or all of the options may be used to initiate change. Increasing the strength of pressure for change can help to overcome the resisting forces, while removing or reducing the resisting forces can help to create a more favorable environment for change. Changing the direction of a force can also contribute to initiating change by redirecting energy towards the desired outcome. Therefore, the best choice is D.