Which of these inferences is best supported by the text?

Answer choices for the above question

A. The author was inclined toward engineering before he had ever heard of windmills.

B. Energy and science books never appealed to the author before because he thought they had no bearing on his life.

C. The author is frustrated that he did not learn about windmills earlier when they were more commonly used to generate power.

D. Mrs. Sikelo was trying to prevent the boys from learning about the power of windmills.