Because he has been out of _____ work for months, the young man now depends on his parents for _____ living.

A．不填; a

B．the; a

C．不填; 不填

D．the; 不填

先进的物流技术和先进的物流信息是提高物流能力、推动现代物流迅速发展的两个车轮，二者缺一不可。