A-A+
A．Building a floodgate at the entrance of the
问题详情
A．Building a floodgate at the entrance of the city.
B．Piping the water back to sea.
C．Pumping seawater into the ground beneath.
D．Put more sand under the city.
参考答案
正确答案：C
解析：短文提到科学家们正提出一种新的方法来防止威尼斯继续下沉，即将通过管道将海水灌入地下，使地下的泥沙膨胀，来抬升地平面，故选C项。
