问题如下：
Peter, a fixed income analyst, recently has some problems conducting an independent analysis of company A's credit risk, which of the following is least likely to be the reason?
选项：
A. Rating agencies have difficulty in capturing idiosyncratic risk.
B. Rating agencies tend to lag market pricing of credit.
C. Rating agencies can not predict future debt-financed acquisitions.
解释：
C is correct.
Future debt-financed acquisitions are difficult to be predicted for both analysts and ratings agencies.
看了答案也不是很明白，AB在讲义都有出现，感觉也是两者共有的问题？