3. Which sentence from the selection best conveys the author's main message?
A.
But as mentally prepared as we were, we also had to be physically aware, as
well. (paragraph 6)
B. Every night aboard our safe and warm ship, we thought about what it takes
to survive in Antarctica, an incredibly harsh place. (paragraph 19)
c. Over the course of our visit, we came to respect and even revere the power of
that sea. (paragraph 20)
D. Both experiences were unforgettable, and one would not have been possible
without the other. (paragraph 21)