新能源是指目前由于技术水平限制，还未被广泛应用的能源资源。下列不属于新能源的是（）。

A.地热能

B.太阳能

C.水能

D.生物能

After the former manager returned from abroad, our company ________ and the production doubled.[ ]

A. came to life    

B. came back life    

C. recovered to life    

D. returned to life