Which sentence uses a formal writing style?

some people really want to get up in space, so now there's a market for space tourism.
we can't all be astronauts, but lots of us dream about the idea of space travel.
there was an article that told about how seven people got to make space flights.
a company plans to make space flights available to those who can afford the ticket price.

the answer should be b.

explanation:

it should be b because she researched before writing so it would be in past tense. "the author researches her subject before she had written the first draft.

answer: from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion—that we here highly resolve that these dead shall not have died in vain, that this nation under god shall have a new birth of freedom, and that government of the people

explanation: