问题
单项选择题
The money -weighted return also is known as the:（）
A. perfect return for a portfolio.
B. internal rate of return (IRR) of a portfolio.
C. measure of the compound rate of growth of $1 over a stated measurement period.
答案
参考答案：B
解析：
It is the IRR of a portfolio, taking into account all of the cash inflows and outflows.