下列不属于城市总体布局遵循原则有（）

A.城乡结合、统筹安排

B.功能协调、结构清晰

C.分期建设、留有余地

D.城乡一体，统一规则

My computer ____start, no matter how hard I try.

-lt might have crashed.

A．won't

B．shouldn't

C．mustn't

D．wouldn't