As explained in “With a Little Help From My Friends,” why did the author’s father always try to tell his American neighbors about petroleum? A. He thought Americans envied Iran's petroleum resources since America had so little.
B. He worked for an international petroleum company and liked talking about his work.
C. He knew they were fascinated by the story of how Iran's petroleum industry developed.
D. He wanted them to know that Iran was a modern country with a successful petroleum industry.