单选题 What is Dollar Cost Averaging? ______

A、 A brokerage account that gives investors cheap trades
B、 The idea that prices tend to rise over the long term
C、 Buying stocks that are below average in value
D、 A strategy of investing money on a regular basis to take advantage of market fluctuations

【正确答案】 D

【答案解析】[解析] 平均成本法(Dollar Cost Averaging)是一种以定期及定额投资去累积资产(包括股票及基金)的方法，投资者因此便会在价格处于低位期间购入多些数量的股票及基金单位，而在价格处于高位期间购入少些数量的股票及基金单位。