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.急性胃粘腹病变

D.食管静脉曲张破裂

E.胆道出血

Which of the following statements about the relationship between interest rates and the demand for and supply of money is most accurate Interest rates affect:（）

A. the supply of money only.

B. both the demand for and supply of money.

C. the demand for money only.