阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。
Some years ago, writing in my diary used to be a usual activity.I would return from school and spend the expected half hour recording the day's events, feelings, and impressions in my little blue diary.I did not really need to express my emotions by way of words, but I gained a certain satisfaction from seeing my experiences forever recorded on paper.After all, isn't accumulating memories a way of preserving the past?
When I was thirteen years old, I went on a long journey on foot in a great valley, well－equipped with pens, a diary, and a camera.During the trip, I was busy recording every incident, name and place I came across.I felt proud to be spending my time productively, dutifully preserving for future generations a detailed description of my travels.On my last night there, I wandered out of my tent, diary in hand.The sky was clear and lit by the glare of the moon, and the walls of the valley looked threatening behind their screen of shadows.I automatically took out my pen...
