疑有溶血反应时首先要（）

A.采静脉血观察血浆颜色

B.测尿血红蛋白

C.重新化验血型并作交叉配合试验

D.采血袋内剩余血和病人血作细菌涂片和培养

E.停止输血，核对受血者和供血者姓名和血型

The nurse is caring for a client with cholelithiasis. Which sign indicates obstructive jaundice ？（）

A．Straw-colored urine.

B．Reduced hematocrit.

C．Clay-colored stools.

D．Elevated urobilinogen in the urine.