为“血中气药”，能“下调经水，中开郁结”的药物是（）。
A.川芎
B.延胡索
C.牛膝
D.红花
E.丹参
参考答案：A
Which of the following statements about the demand for and supply of money is least accurate （）
A. As gross domestic product rises, the demand for money balances also rises.
B. As the interest rate rises, the demand for money falls.
C. As the interest rate rises, the supply of money also rises.
