I got close enough to hear them speaking Chinese, and I said "Ni Hao " just as I ____ do in China. [      ]

A. must              

B. might              

C. can            

D. should

下列哪项不是肾损伤的晚期病理或病理生理改变

A．尿囊肿
B．肾积水
C．动静脉瘘
D．肾血管性高血压
E．肾周血肿