In the Context of Choosing an International Strategy, Which of the Following

In the context of choosing an international strategy, which of the following is a difference between a meganational strategy and a transnational strategy?

A) Unlike a transnational strategy, a meganational strategy allows subsidiaries the discretion and autonomy to adapt and customize locally.
B) Unlike a meganational strategy, a transnational strategy achieves integration through decisions made mostly by headquarters.
C) Unlike a meganational strategy, a transnational strategy promotes knowledge flow throughout an organization, regardless of where the ideas originate.
D) Unlike a transnational strategy, a meganational strategy simultaneously offers the benefits of both global and local advantages.