NO.PZ2023052301000005
问题如下：
An index tracking the Bloomberg Barclays Global Aggregate Index would most likely have:
选项：
A.
limited security selection.
B.
modest turnover due to changes in market values.
C.
comprehensive exposure to fixed-income markets.
解释：
C is correct. Mutual funds and ETFs that track this benchmark index offer comprehensive exposure to many fixed-income markets with no active security selection and portfolio turnover limited solely to either new issuance or issues no longer meeting inclusion criteria.
这个指数是哪个国家的指数，和常见的指数比有什么不一样的吗
