Which of the Following Statements About Bechtel Is True

Which of the following statements about Bechtel is true?

A) Even though Bechtel is over 100 years old, the Kuwaiti oil fields was its first "project."
B) Bechtel is the world's premier manager of massive construction and engineering projects.
C) Bechtel's competitive advantage is supply-chain management.
D) While its projects are worldwide, its network of suppliers is largely in the U.S.
E) All of the above are true.