单选题 It was difficult to build a power station in the deep valley, but it______as we had hoped.
【正确答案】 A
【答案解析】解析：句子大意为：在深谷中建造电站难度很大，但是还是按照我们的愿望建成了。在给出的选项中：came off“成功、发生”；went off“爆炸、引发”；brought out“出版、产生”；made out“理解、认出”。所以，正确答案是A。