双馈异步发电机的运行状态：①（）②（）③（）。

Passage One

Which of the following statements best summarizes the main idea of the passage

A．The sugar industry varies in prosperity among producing countries in Latin America.

B．World sugar producers all suffer from short supply of canes.

C．The world sugar industry is undergoing fatal depression.

D．Major sugar producers have adopted different strategies to combat the sluggish economy.