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 |
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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 |
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