Transnational Firms Are Similar to Global Firms Except That

Transnational firms are similar to global firms except that

A) They are more complex and tend to have a central headquarters,but they delegate decision making power,research and development,and marketing to individual foreign markets.
B) They are more complex and do not have a central headquarters,but delegate all decision making power,research and development,and marketing to individual foreign markets.
C) They are less complex,have a central headquarters and delegate only marketing power to foreign markets.
D) They are less complex,have a central headquarters and delegate only research and development efforts to individual foreign markets.
E) They both stay in domestic markets and operate solely there.