问题
单项选择题
Why is Venice san sinking
A．Because people only stop using underground water for industries on the mainland.
B．Because people still make use of the underground water for all purposes.
C．Because the use of groundwater far industries on the mainland has been stopped.
D．Because people do not use the underground water any more.
答案
参考答案：A
解析：文中最后一句话说，“In a word, yes, though the rate has slowed, mainly because the pumping of groundwater for industries on the mainland has been stopped.”所以选A。