What Are the Two Key Components of the Operations Strategy

What are the two key components of the operations strategy of Federal Express?

A) they own their own fleet of tractor trailers, and they use a sophisticated bar code technology
B) they own their own fleet of tractor trailers, and they have a large warehouse in every state
C) they own their own fleet of airplanes, and they have a large warehouse in every state
D) they use a sophisticated bar code technology, and they have a large warehouse in every state
E) they own their own fleet of airplanes, and they use a sophisticated bar code technology