Willis's Company Is Not Able to Meet Targets and This

Willis's company is not able to meet targets and this is affecting the company's revenues.Will decides to hold weekly meetings with employees from all levels of the organization to find a solution to the company's problem.He listens to the employees carefully and based on their suggestions,gradually implements certain changes in the organization.This is an example of ________.

A) bottom-up change
B) radical change
C) transformational change
D) top-down change
E) frame-breaking change