In Estate of Weingeroff V

In Estate of Weingeroff v.Pilatus Aircraft,the plaintiff's representative brought a diversity action against Pilatus,a Swiss company that manufactured the plane that crashed killing Weingeroff.The court decided that:

A) because Pilatus was a Swiss company they are immune from civil law suits.
B) Pilatus wins because the $1M+ that they spent in Pennsylvania was too insignificant to create minimum contacts and no specific marketing was done targeted to Pennsylvania.
C) Weingeroff wins because spending over $1M in Pennsylvania satisfied the minimum contacts requirement to create jurisdiction.
D) Weingeroff wins because Pilatus conducted a nationwide marketing campaign and specifically manufactured planes to meet FAA compliance constituting purposeful availment