下列可引起黄疸、呕血、发热及全身皮肤黏膜出血的疾病是（）。

A.败血症

B.慢性胃炎

C.反流性食管炎

D.化脓性胆管炎

E.消化性溃疡

A doctor's obligation when he can no longer ______ the approach of death is to make the patient comfortable, including easing his pain.

A．hold back

B．hang on

C．hang around

D．hold on