We can learn from this passage that self-healing concrete.A、is a kind ofbacteria that can seal up the cracks ofa bridge
B、is used in building the longest floating bridge in the world
C、will bring about a breakthrough in the construction field
D、will be used in the treatment ofseriously burned skin
【正确答案】：C
【题目解析】： 推理判断题。文章最后一段介绍了self-healing concrete的科学原理，即利用一种修复能力极强的细菌来实现水泥裂缝的自我修复。作者还认为Self-healing concrete is a great study in material innovation.（自我修复水泥是材料创新上的一项重要研究）。由此推断，选项C的内容符合文意，因此，选项C是正确答案。