What are the major clinical features of hemolytic uremic syndrome
A
hematuria，thrombocytopenia，acute renal failure
B
hematuria，hypertension，acute renal failure
C
hemolytic anemia，hypertension，acute renal failure
D
hemolytic anemia，thrombocytopenia，acute renal failure
E
hemolytic anemia，hypertension，proteinuria