My answer would be leadership or management. This is because as a leader, you manage other people, you supervise other people, you hopefully motivate other people and as a leader you need a good strategy.
The art of getting things done through people.
Leadership.
Answer: A) a magical semicircle
Explanation: took the test
Well that's nice but do u need any help?
Answer: Thoreau compares the cable to a man with nothing to say to a deaf woman, supporting his idea that technology many make communication easier but not necessarily meaningful.
I believe C would be the right option for this question