I think the answers A -connect its topic to those of other speeches.
B because oppose is like opposite and all the other answers are synonyms of eachother to mean something relating to being similar
Upside and downside can mean a positive and a negative aspect of something, respectively. However, none of the options here present a couple of something negative and something positive: so I think we need to use the local meaning. So our analogy is:
on one extreme of some location (on the upper side): on the other extreme.
Therefore the best other couple is outside and inside: they also show two opposite locations.
Answer:
The men that go to the Moon rest in the space station or on their rocket.
