The correct answer is C. I am absolutely positive.
The anwer is D) My primary quibble with ear buds is that they are very distracting devices and are therefore dangerous.
This is the sentence that would best serve as a topic sentence for this passage. In the passage, the author focuses on the fact that ear buds can be very distracting. He presents several examples of why this is the case. Moreover, he argues that ear buds can be dangerous, for example, when someone is driving. Option D discusses both of these facts, and therefore, fits the best with the paragraph.
I think the correct answer should be the Letter A.
Answer:
If people are living in harmony with each other, they are living together peacefully rather than fighting or arguing. We must try to live in peace and harmony with ourselves and those around us.
