The following are the reasons why British coal mining is today called a "sick" industry except ___
A、Britain has used up almost all coal deposits
B、the demand for British coal has declined
C、petroleum, water power, and electric power are replacing coal for many purposes
D、the old British mines are narrow and deep, making it difficult to sue machines fro mining.
【正确答案】：A
【题目解析】：英国煤炭开采业今天被称为“病态”产业的原因是：英国对煤炭的需求已经下降；石油、水力和电力正在取代煤炭；在许多方面，英国的老煤矿又窄又深，使得很难用机器进行开采。
