什么是软件测试方法中的静态测试？
参考答案：
静态分析、代码审查、代码走查、桌面检查、技术评审
____ several times, but unfortunately, the boy still couldn’t smooth away the problem on his own.[ ]
A. Having been explained
B. The problem having been explained
C. The problem had been explained
D. Although the problem had been explained
仿照下面的示例，自选话题，写一个句子。要求话题合理，句式相同或相近，修辞手法相同，内容有意蕴。
如果不赋予时间以创造性的价值，它就像小溪的流水，只能带走凋零的青春花瓣，而不能浮起成就的远洋货轮。
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