He never ________ to help those in trouble because he was a kindhearted man. [ ]

A. handled  

B. hurried

C. hesitated  

D. determined

上消化道出血伴慢性、节律性、周期性上腹痛，诊断考虑为

A．消化性溃疡

B．反流性食管炎

C．急性胃黏膜病变

D．食管静脉曲张破裂

E．胆道出血