In the New United Motor Manufacturing, Inc

In the New United Motor Manufacturing, Inc.(NUMMI) joint venture, why did Toyota enter into a strategic alliance with General Motors (GM) ?

A) To access GM's completely new production system
B) To learn and implement the just-in-time inventory system pioneered by GM
C) To learn how to implement its lean manufacturing program with an American work force
D) To access GM's distribution system and marketing expertise