Jenny _____ in the chicken when you called her at 5 o'clock this afternoon?      [ ]

A. is cooking          

B. was cooking          

C. cooks        

D. cooked

患者男性，48岁，确诊为尿毒症7个月，但尚未开始透析治疗，今日出现手足抽搐。Scr980μmol／L，血钙1．75mmol／L，血磷3．0mmol／L

此时，要降低血磷可采取的措施是（）.

A.饮食控制

B.肾移植

C.口服氢氧化铝

D.口服碳酸钙

E.以上都不是