D). statistics. this shows that you are up to date on facts, and can prove facts about the topic you are speaking about. facts and statistics are concrete evidence that emphasize your arguments and help make your tip cohesive.
plus it makes you come off as smarter and more credible.
-hope it helps
The beginning starts off with "has taught" indicating a foreword. The passage also talks about past achievements and accomplishments.
“It was a thrilling experience to be whizzed in a “lift” a quarter of a mile heavenward, and to see New York spread out like a marvellous tapestry beneath us. There was the Hudson – more like the flash of a sword-blade than a noble river.” I hope this answer helps you with what you are looking for.
