NO.PZ2023120801000100
问题如下：
Which of the following choices properly ranks ratings from the three major credit rating agencies from the lowest to highest credit risk?
选项：
A.
B1, Ba2, Baa3
B.
BBB+, Ba3, B–
C.
Baa1, BB, Baa3
解释：
Correct Answer: B
答案中的A选项哪里错了？
