I am certain the answer is "B", but I'm taking the reasoning for the answer to my grave...
Somehow, I think I would have made a very poor astronaut candidate; I have this proclivity to look at a panel of buttons/levers and say, "Hey, I wonder what this one does...?..."...
Empiricism is not a good trait for a task that involves sticking to a set of precisely choreographed actions...
<O>
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