男性，32岁。水肿伴尿中泡沫增多1个月，尿量进行性减少至300～400mL/日，伴头痛，乏力。尿蛋白（++++），红细胞管型（+），尿比重1.022，血清肌酐600μmol/L。

少尿最可能的病因是（）。

A.肾前性少尿

B.肾小球疾病

C.肾小管，间质疾病

D.肾后性

E.下尿路梗阻

— Are you a visitor here?  

— That's right. I     ___ round the world and now my dream of coming to China      ___ true.[ ]

A. have traveled; has come

B. travel; has been come

C. am traveling; has come               

D. have traveled; has been come