If you won't do as I tell you, you _____ go to the dance. [ ]

A. won't

B. shan't

C. shouldn't

D. mustn't

下列关于珠江三角洲工业发展限制因素的叙述，正确的是[ ]

A．能源供应不足，矿产贫乏

B．水源不足

C．科技水平低

D．劳动力文化素质低