A. because jubilant means expressing great happiness but melancholy means very sad. I'm guessing were dealing with opposites here.
These statements are the most suitable for the summery :
• Astronauts will need to adapt to using advanced equipment and conducting complex operations farther and farther from Earth.
• Since the end of the 19th century, Mars has been considered the planet most suitable and likely for exploration and even habitation.
A because she’s independent she will do something and she states that
I just saw this, oops, probably too late now, but I said faith v. doubt, wealth v poverty, progress v past, morality v art, and reason v emotion, but not sure if it's right yet. i was just looking for the answer, too.