44. the of modern industry the pollution is becoming more and more serious.A. With; dev

问题补充：

44. the of modern industry, the pollution is becoming more and more serious.

A. With; developing

B. Under; development

C. With; development

D. Under; developing

答案：

A. With; developing

B. Under; development

(答案→)C. With; development

D. Under; developing

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