出血未停止（）

A.上消化道出血患者，在补液充足、尿量正常的情况下，尿素氮持续升高

B.上消化道出血患者于出血后3日有少量黑便排出

C.上消化道出血后并发失血性休克，经充分补液后24小时尿量仍为300ml

D.上消化道出血后，尿素氮先升高后下降

E.上消化道出血后，体温升高至38℃

In my opinion, what Fei Junlong and Nie Haisheng _____ good to our country's international positions. [ ]

A. did do does

B. did does do

C. does did do

D. do do did