问题
单项选择题
Which of the following regarding bond market indexes is FALSE（）
A. There are more bond issues than stocks.
B. The price volatility of bonds is constantly changing due to the influence of maturity and market yield on bond durations.
C. The bond universe is more stable than the stock universe.
答案
参考答案：C
解析：
One reason why the creation of a bond index is more difficult than a stock index is due to the fact that the universe of bonds is constantly changing because of numerous new issues, bond maturities, calls, and bond sinking funds.