A century in certain ways is like a life, and as the end of a century approaches, people behave toward that century much as someone who is nearing the end of life does toward that life. So just as people in their last years spend much time looking back on the events of their life, people at a century' s end __. Which one of the following most logically completes the argument? ['focus on what the next century will bring', 'reminisce about their own lives', 'fear that their own lives are about to end', 'become very interested in the history of the century just ending']