从每题所给的选项（A、B、C和D）中，选出最佳选项，并在答题卷上将该项涂黑。
A
One night recently, I was driving down a two-lane highway at about 60 miles an hour. A car approached from the opposite direction at about the same speed. As we passed each other, I caught the other driver’s eye for only a second. I wondered whether he might be thinking, as I was, how dependent we were on each other at that moment. I was relying on him not to fall asleep, not to be put off by a phone conversation, not to cross over into my lane and bring my life to a sudden end. Though we had never spoken a word to each other, he relied on me in just the same way.
Multiplied a million times over, I believe that is the way the world works. At some level, we all depend upon one another. Sometimes that dependence requires us simply
