今年春天我国西南许多省份出现了严重的旱灾，导致农作物减产甚至绝收，这说明了（　　）

A．生物能影响环境

B．生物能适应一定的环境

C．生物与环境可以相互影响

D．环境能影响生物的生存

_____ the fierce competition in finding a good job in big cities, many fresh graduates are trying their

fortune in mediumsized cities like Nanchang City.[ ]

A. Regardless of  

B. Instead of

C. Due to  

D. Apart from