We're talking about the piano and the pianist _____ were in the concert we attended last night. [ ]

A. which

B. whom

C. who

D. that

周某，男，50岁。近期发现体重减轻，检查血糖空腹12mmol／L，尿糖（++），现症见尿频量多，口干咽燥，腰膝酸软，五心烦热，舌质红，苔薄黄，脉沉细数。中医诊为消渴病。

消渴病的典型症状有哪些（）.

A.烦渴多饮，随饮随消

B.消谷善饥，多食

C.尿频量多，或尿有甜味

D.消瘦

E.多饮、多食、多尿、消瘦