阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项。

　　A friend of mine met with an accident driving in darkness．His legs were so hurt that he couldn't move．What was the 　　1　　 was that he found himself unable to ask for help-his mobile phone went out of 　　2　　 as a result of exhausted battery．Nothing could be done but to 　　3　　 in cold wilderness．It was eight hours later that day broke, and then 　　4　　 of the rescue．

　　It is almost 　　5　　 that he could stand the horror in the darkness for so long．

　　Even more surprising was his 　　6　　：“First of all, I checked up my 　　7　　 conditions and found myself not in mortal(致命的)danger．As there was no 　　8　　 to call for help, I leaned back in my seat trying my best to keep the wound from 　　9　　．In this way I dozed off(昏睡过去)．”

　　His story put an end to my regret for the 　　10　　 of an exploration adventure that happened last year．A group of young men 　　11　　 to explore a mountain cave and got lost．　　12　　 to find a way out in the dark cave they were frightened and ran anxiously without a sense of 　　13　　．Finally they felt dead in fear and exhaustion．According to the rescue people that found them, the place 　　14　　 they got lost was only about 10 meters away from the 　　15　　 of the cave．If they stayed on the spot when they lost their way and tried to 　　16　　 themselves, they would probably sense a faint light glimmering not far away．

　　Don't you think you can compare it with 　　17　　 itself? When you meet with difficulty in life and work, you are lost in darkness．　　18　　 you it's unclear yet and you needn't put up struggle 　　19　　．It seems to be a negative attitude, 　　20　　 a person who can afford to do so must have foresight as well as a great courage in the first place．

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