问题
单项选择题
Over the past ten years, natural gas production has remained steady, but ______ has risen steadily.
A．consumption
B．dissipation
C．disposal
D．expenditure
答案
参考答案：A
解析：consumption 消耗量、消费量；disposal 处理、处置；expenditure 消费；dissipation 放纵，糜烂，浪费