Which of the following statements is incorrect, given the following one-year rating transition matrix?Image.pngImage.png

A、BBBloanshavea4.08%chanceofbeingupgradedinoneyear.
B、BBloanshavea75.73%chanceofstayingatBBforoneyear.
C、BBBloanshavean88.21%chanceofbeingupgradedinoneyear.
D、BBloanshavea5.72%chanceofbeingupgradedinoneyear.