Help plz I need help on this

Choose one of the words you selected to study in this unit that you have not heard previously discussed on this quiz. what does the word mean? when and how could you use this word? use proper grammar and spelling.

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.

For all of those, i want the answer. me.