Answer:
a. changing the company's leadership practices and strategic position
Explanation:
Organizational design refers to how a company is structured and divided into divisions, sub divisions, management hierarchy and departments.
When a change occurs in organizational design, such a change would be a significant change since owing to it, the previously held roles would change, the way resources are allocated would change and so would positions.
This would require a change in the leadership practices as well as change in strategic positioning.
Strategic position relates to how and in which ways an organization differs from it's competitors. A change in the organizational design would lead to a change in it's strategic position.
Thus, change in company's organizational design changes requires a.changing the company's leadership and strategic position.
