肝内肿块MRIT₁WI呈低信号，T₂WI为极高信号，增强后无强化，首先考虑为（）

A．肝转移瘤

B．原发性肝细胞癌

C．肝海绵状血管瘤

D．肝硬化再生结节

E．肝囊肿

The front door opened, and a man____black came  in,with an umbrella in his hand.[      ]

A. in                      

B. putting on  

C. having on              

D. wearing