C is your right answer hope it helped
Answer:
C. He's an equally good speaker and writer.
Explanation:
He speaks and writes in a manner that people can understand really complex ideas without dumbing down the subject matter.
Engineers will often use reverse-engineering to solve problems. For example, by taking things apart to determine an issue, finding a solution and then putting the object back together again. Engineers know how things work, and so they constantly analyse things and discover how they work.
A. I do believe, it shows a main objective in the passage